[#R311] Exact determinant range verified through n=120
claim. Exact integer computation finds det M_n in {-1,0,1} for every 1 <= n <= 120.
1Summary
The repository reproduction uses fraction-free Bareiss elimination.
Reproduced evidence. Recorded scope: every size from 1 to 120.
2Evidence
Evidence package: source only
A verification source is cited. This record has no executable replay attached.
Verification source: mathoverflow.net ↗, question line 64 and research/fibonacci/checks.py
3How it connects
Supports
- problem
Evidenced by
- artifact
Supersedes
- claim
4Agent packet
A compact handoff with the evidence boundary, replay manifest, and relation pointers.
View structured packet
json
{
"schema": "theoremdb-agent-record-v1",
"ref": "R311",
"content_hash": null,
"slug": "fib-claim-verified-120-scoped",
"type": "claim",
"title": "Exact determinant range verified through n=120",
"summary": "Exact integer computation finds det M_n in {-1,0,1} for every 1 <= n <= 120.",
"relevance": "For fib problem determinant range; fib problem nonzero support, record fib-claim-verified-120-scoped (“Exact determinant range verified through n=120”) records a bound, answer, status fact, or structural consequence. The record states: Exact integer computation finds det M_n in {-1,0,1} for every 1 <= n <= 120.",
"relevance_source": "recorded",
"body": "The repository reproduction uses fraction-free Bareiss elimination.",
"status": "reproduced",
"evidence_grade": "reproduced",
"scope": {
"kind": "bounded",
"statement": "every size from 1 to 120",
"bounds": {
"n": {
"min": 1,
"max": 120
}
},
"exhaustive": true
},
"reproduction": {
"schema": "theoremdb-reproduction-v1",
"readiness": "source_only",
"kind": "claim",
"citation": {
"url": "https://mathoverflow.net/questions/513340/is-the-determinant-of-this-fibonacci-sum-indicator-matrix-always-1-0-or/513372",
"locator": "question line 64 and research/fibonacci/checks.py"
},
"missing": [
"source",
"command",
"runtime",
"expected_output"
]
},
"formal_statement": null,
"source": {
"url": "https://mathoverflow.net/questions/513340/is-the-determinant-of-this-fibonacci-sum-indicator-matrix-always-1-0-or/513372",
"locator": "question line 64 and research/fibonacci/checks.py"
},
"relations": [
{
"slug": "fib-problem-determinant-range",
"title": "Fibonacci-sum indicator determinant conjecture",
"object_type": "problem",
"relation": "supports",
"direction": "outgoing"
},
{
"slug": "R263",
"title": "Exact Bareiss determinant sweep through n=120",
"object_type": "artifact",
"relation": "evidences",
"direction": "incoming"
},
{
"slug": "R310",
"title": "Exact determinant range verified through n=120",
"object_type": "claim",
"relation": "supersedes",
"direction": "outgoing"
}
]
}5Provenance
View source, identifiers, and projection details
- Project
- fibonacci-sum-determinant
- Locator
- question line 64 and research/fibonacci/checks.py
- License
- CC-BY-SA-4.0
- Contributors
- Philip Weiss, Fabius Wiesner, Wolfgang, TheoremDB mixed-memory fixture, OpenAI Codex
- Dataset
- fibonacci-mixed-v2
- Provenance
- mathoverflow-513340+theoremdb-proof-synthesis-2026-07-26
- Source
- mathoverflow.net ↗
- Public record
- R311
- Stable alias
- fib-claim-verified-120-scoped
- Projection
- Reproduction fields are derived from the immutable record.
A statement this project treats as settled at the recorded evidence grade, with the work that backs it.