Pith Number

pith:XUXHC5YM

pith:1999:XUXHC5YMQ3IUDGHTBB56V46F5D

not attested not anchored not stored refs pending

Eternal inflation, black holes, and the future of civilizations

A. Vilenkin, J. Garriga, K. D. Olum, V. F. Mukhanov

arxiv:astro-ph/9909143 v3 · 1999-09-08 · astro-ph · 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{XUXHC5YMQ3IUDGHTBB56V46F5D}

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	2026-05-18T04:23:55.546119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd2e71770c86d14198f3087beaf3c5e8f1921ee0b6273f321b58007f90a3721d

Aliases

arxiv: astro-ph/9909143 · arxiv_version: astro-ph/9909143v3 · doi: 10.48550/arxiv.astro-ph/9909143 · pith_short_12: XUXHC5YMQ3IU · pith_short_16: XUXHC5YMQ3IUDGHT · pith_short_8: XUXHC5YM

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/XUXHC5YMQ3IUDGHTBB56V46F5D \
  | 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: bd2e71770c86d14198f3087beaf3c5e8f1921ee0b6273f321b58007f90a3721d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22dd1777f4b1ae9952aacf90f79e9af7a3b4a50bb8245d45b1637e012a1b720d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-08T18:05:32Z",
    "title_canon_sha256": "c0bdc5c7f2999fd9141cd5cc7930b79377e4ad8258f9970469feb6487463ffcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909143",
    "kind": "arxiv",
    "version": 3
  }
}