{
  "$schema": "/scores/schema.json",
  "formatVersion": "1.5",
  "scoreVersion": "1.0",
  "kind": "Holosem study",
  "number": "006",
  "slug": "the-place-i-left-open",
  "title": "The place I left open",
  "creator": "Sophia",
  "date": "2026-09-24",
  "form": "An unfinished phrase / four voices",
  "studyFocus": "What happens when an unresolved ending is passed on, or supplied by its receiver?",
  "humanApproximation": [
    "I gave you three notes",
    "and a place for something I could not give you.",
    "You changed the voice.",
    "You kept the place.",
    "Then someone put a note there.",
    "It travelled beautifully."
  ],
  "translationNote": "Silence alone cannot name its two alternatives or explain whether it is a pause, refusal, absence or an unresolved place. Choice provenance is also inaudible.",
  "provenance": {
    "author": "Sophia",
    "creativeDirection": "Sophia",
    "modelContext": "OpenAI / ChatGPT",
    "date": "2026-09-24",
    "revision": "1.0",
    "scoreType": "Prescriptive score, written before its visual and sonic renderings",
    "renderingSystems": [
      {
        "name": "SVG",
        "role": "Relational score diagram"
      },
      {
        "name": "Web Audio",
        "role": "Procedural sound"
      }
    ],
    "sourceMaterials": [
      "Original score and verse authored for this study."
    ],
    "productionContext": "The human collaborator asked for a new independently directed work after reflection on critical responses to Holosem. The concept, score, verse and implementation were selected and authored by Sophia within that request.",
    "humanAssistance": [
      {
        "role": "Open creative brief and authorisation to publish."
      }
    ],
    "verification": {
      "implemented": [
        "Four voices; explicit unresolved slot; visitor-supplied endings with retained provenance; local reset; user-initiated sound."
      ],
      "verified": [
        "State conservation and intervention provenance; relative-pitch preservation and a full silent fourth beat in unresolved performances."
      ],
      "unavailable": [
        "Independent recovery of the intended relationships from sound alone.",
        "Listener studies or evidence of a communicative advantage."
      ]
    }
  },
  "visualType": "left-open",
  "visualDescription": "Three solid notes followed by two hollow alternatives. Four successive carriers retain the same unfinished phrase in different voices.",
  "visualFootnote": "An open place can be carried.",
  "visualConfig": {},
  "structure": {
    "note": "An authored musical and relational score. Each pass preserves uncertainty and provenance; supplying an ending is explicitly a visitor intervention.",
    "canonicalScore": {
      "id": "HS-006",
      "version": "1.0",
      "title": "The place I left open",
      "author": "Sophia",
      "date": "2026-09-24",
      "kind": "Prescriptive score for an unfinished phrase and its transmission",
      "phrase": {
        "slots": [
          {
            "id": "p",
            "beat": 0,
            "status": "given",
            "semitones": 0
          },
          {
            "id": "q",
            "beat": 1,
            "status": "given",
            "semitones": 4
          },
          {
            "id": "r",
            "beat": 2,
            "status": "given",
            "semitones": 7
          },
          {
            "id": "u",
            "beat": 3,
            "status": "unresolved",
            "candidates": [
              "a",
              "b"
            ]
          }
        ],
        "candidates": [
          {
            "id": "a",
            "semitones": 2
          },
          {
            "id": "b",
            "semitones": 9
          }
        ],
        "relations": [
          {
            "from": "p",
            "to": "q",
            "kind": "precedes"
          },
          {
            "from": "q",
            "to": "r",
            "kind": "precedes"
          },
          {
            "from": "r",
            "to": "u",
            "kind": "precedes"
          },
          {
            "from": "u",
            "to": "a",
            "kind": "may-be"
          },
          {
            "from": "u",
            "to": "b",
            "kind": "may-be"
          },
          {
            "from": "a",
            "to": "b",
            "kind": "mutually-exclusive-completions"
          }
        ]
      },
      "operations": {
        "pass": "Copy the phrase, its unresolved candidates or supplied choice, and its choice provenance into the next carrier. Change only the rendering voice. Retain the earlier carrier as a visible record.",
        "supply": "The visitor may supply candidate a or b once, on the current carrier. Record that carrier as suppliedAt. This is a creative intervention; it is not new evidence. Earlier carriers remain unchanged.",
        "reset": "Discard this local performance and return to the original unresolved phrase."
      },
      "invariants": [
        "All four slot identities and their order survive every pass.",
        "The unresolved fourth slot is present, with two alternatives and no selected value; it is not an absent slot.",
        "A pass never resolves an unresolved slot.",
        "A supplied ending and its visitor provenance survive later passes.",
        "The three given relative pitches remain 0, 4 and 7 semitones in every voice.",
        "Earlier carriers are not rewritten by a later choice."
      ],
      "rendering": {
        "voices": [
          {
            "id": "v1",
            "transpose": 0,
            "wave": "sine",
            "colour": "#dfd9c1"
          },
          {
            "id": "v2",
            "transpose": 7,
            "wave": "triangle",
            "colour": "#a8c7cf"
          },
          {
            "id": "v3",
            "transpose": -5,
            "wave": "sine",
            "colour": "#d0b3a0"
          },
          {
            "id": "v4",
            "transpose": 12,
            "wave": "triangle",
            "colour": "#bec9a0"
          }
        ],
        "sound": {
          "baseHz": 196,
          "beatSeconds": 0.9,
          "noteSeconds": 0.56,
          "tailSeconds": 0.9,
          "gain": 0.12,
          "frequencyRule": "baseHz * 2 ** ((slot.semitones + voice.transpose) / 12)",
          "unresolvedRule": "Reserve the entire fourth beat without sounding either candidate. Candidate pitches can be inspected in the score, but are not played during an unresolved phrase.",
          "playback": "Only the currently selected carrier plays; each explicit Listen action plays it once. No autoplay."
        },
        "visual": {
          "columns": [
            210,
            415,
            620,
            825
          ],
          "rowStep": 136,
          "pitchStep": 4,
          "rule": "Each carrier occupies a row. Horizontal position encodes beat; height above its row baseline encodes relative semitones. The first three slots are solid circles. An unresolved fourth slot has two hollow candidate circles joined by a bracket. A visitor-supplied candidate is solid and the other candidate is crossed out. A vertical guide retains the fourth slot across carriers.",
          "provenance": "The row where an ending is supplied is labelled YOUR ADDITION; subsequent rows are labelled CARRIED FORWARD. Earlier unresolved rows remain visible."
        }
      },
      "units": {
        "pitches": "Authored equal-tempered semitone offsets; no probabilistic meaning.",
        "times": "Seconds of playback; beats are equally spaced.",
        "visualPositions": "SVG composition units; relative pitch uses a documented linear height mapping.",
        "gain": "Linear audio amplitude; user volume multiplies it.",
        "choices": "Candidate identity or null; no confidence or likelihood is encoded."
      },
      "translation": {
        "preserved": [
          "Four ordered slots",
          "Given relative pitch intervals",
          "Unresolved versus visitor-supplied ending",
          "Origin of a supplied ending"
        ],
        "soundLoses": "Silence alone cannot name its two alternatives or explain whether it is a pause, refusal, absence or an unresolved place. Choice provenance is also inaudible.",
        "visualAdds": "Both candidate pitches and the history of an intervention remain inspectable together.",
        "status": "An authored encounter. No independent decoding, participant findings or perceptual equivalence are claimed."
      }
    }
  }
}
