Pith Number

pith:P5W5CSKI

pith:1994:P5W5CSKIDYSSAH5S7WIF7RPGJN

not attested not anchored not stored refs pending

Disk collapse in general relativity

Andrew M. Abrahams, Saul A. Teukolsky, Stuart L. Shapiro

arxiv:gr-qc/9405060 v1 · 1994-05-25 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5W5CSKIDYSSAH5S7WIF7RPGJN}

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	2026-05-18T04:37:57.110766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f6dd149481e25201fb2fd905fc5e64b5cdcee004b0ab7b7495822d2eb77ef54

Aliases

arxiv: gr-qc/9405060 · arxiv_version: gr-qc/9405060v1 · doi: 10.48550/arxiv.gr-qc/9405060 · pith_short_12: P5W5CSKIDYSS · pith_short_16: P5W5CSKIDYSSAH5S · pith_short_8: P5W5CSKI

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/P5W5CSKIDYSSAH5S7WIF7RPGJN \
  | 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: 7f6dd149481e25201fb2fd905fc5e64b5cdcee004b0ab7b7495822d2eb77ef54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3b34e55e0b29d2801ee965a56fbb30bf15940db2a2f4233434de832ed2d7eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-05-25T18:04:29Z",
    "title_canon_sha256": "13358e8261828bb428b2d1311411b41711d5004cae3cbc243649da6bef5585c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9405060",
    "kind": "arxiv",
    "version": 1
  }
}