Pith Number

pith:KO3UWHKF

pith:1994:KO3UWHKFKKDMZ242AFXAOVCUAD

not attested not anchored not stored refs pending

Too Soon for Doom Gloom?

Don N. Page, Pavel Krtous, Tomas Kopf

arxiv:gr-qc/9407002 v2 · 1994-07-04 · 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{KO3UWHKFKKDMZ242AFXAOVCUAD}

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	2026-05-18T03:37:53.902752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53b74b1d455286cceb9a016e07545400c83a865bab80185a5515a1d97678fc16

Aliases

arxiv: gr-qc/9407002 · arxiv_version: gr-qc/9407002v2 · doi: 10.48550/arxiv.gr-qc/9407002 · pith_short_12: KO3UWHKFKKDM · pith_short_16: KO3UWHKFKKDMZ242 · pith_short_8: KO3UWHKF

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/KO3UWHKFKKDMZ242AFXAOVCUAD \
  | 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: 53b74b1d455286cceb9a016e07545400c83a865bab80185a5515a1d97678fc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de3c6a318c109987392fb7415788f58b47a52b6303f042a7aff1a9007e21455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-07-04T20:28:10Z",
    "title_canon_sha256": "e89896bbeeeb0224c74d8f6e4402653d2ff5e1db3e6cce15cbe055d74b997859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9407002",
    "kind": "arxiv",
    "version": 2
  }
}