Pith Number

pith:3R5EJIMT

pith:2005:3R5EJIMTVHXL4NSCZTQTKMQASG

not attested not anchored not stored refs pending

Quantum mechanics without spacetime: a case for noncommutative geometry

Mumbai), T. P. Singh (Tata Institute of Fundamental Research

arxiv:gr-qc/0510042 v1 · 2005-10-09 · gr-qc · hep-th · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3R5EJIMTVHXL4NSCZTQTKMQASG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Black hole entropy from trace dynamics and non-commutative geometry

Receipt and verification

First computed	2026-07-04T15:22:22.384013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7a44a193a9eebe3642cce135320091b6553a07421a66794fec0bc93085ffd1

Aliases

arxiv: gr-qc/0510042 · arxiv_version: gr-qc/0510042v1 · doi: 10.48550/arxiv.gr-qc/0510042 · pith_short_12: 3R5EJIMTVHXL · pith_short_16: 3R5EJIMTVHXL4NSC · pith_short_8: 3R5EJIMT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3R5EJIMTVHXL4NSCZTQTKMQASG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dc7a44a193a9eebe3642cce135320091b6553a07421a66794fec0bc93085ffd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaefd7e708d5ea72985464bcdd8001567e65aec9a00ea2e08d756398da518596",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-10-09T09:32:58Z",
    "title_canon_sha256": "1aa547a340ed82182340655cd5a56d873cd01c37897e3d3581f61bb4b6d2a323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0510042",
    "kind": "arxiv",
    "version": 1
  }
}