Pith Number

pith:P74MAB6G

pith:1994:P74MAB6GDGFOOTKOKK4567NWTW

not attested not anchored not stored refs pending

Singularity-Free Two Dimensional Cosmologies

M. Trodden (Brown University), R. Moessner

arxiv:gr-qc/9405004 v2 · 1994-05-02 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P74MAB6GDGFOOTKOKK4567NWTW}

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.

Receipt and verification

First computed	2026-05-18T04:17:52.746177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff8c007c6198ae74d4e52b9df7db69db557dbb4f95b9df7297545fd531dbfcb

Aliases

arxiv: gr-qc/9405004 · arxiv_version: gr-qc/9405004v2 · doi: 10.48550/arxiv.gr-qc/9405004 · pith_short_12: P74MAB6GDGFO · pith_short_16: P74MAB6GDGFOOTKO · pith_short_8: P74MAB6G

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/P74MAB6GDGFOOTKOKK4567NWTW \
  | 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: 7ff8c007c6198ae74d4e52b9df7db69db557dbb4f95b9df7297545fd531dbfcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec0b7383d42554d3dea348478da0e6bdc4b52e67477d408ef59e2b9ef8b73c7f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-05-02T17:41:49Z",
    "title_canon_sha256": "e2e514d8b12ecbcf4c1c759d4f82cb8aac29a28f4a890bb0df79831a70f0a681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9405004",
    "kind": "arxiv",
    "version": 2
  }
}