Pith Number

pith:L5ZNGNI2

pith:2002:L5ZNGNI2OJQCCO7UHVQ3RKCE7Y

not attested not anchored not stored refs pending

Everpresent Lambda

Maqbool Ahmed, Patrick B. Greene, Rafael Sorkin, Scott Dodelson

arxiv:astro-ph/0209274 v1 · 2002-09-13 · 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{L5ZNGNI2OJQCCO7UHVQ3RKCE7Y}

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	2026-07-04T15:18:01.464510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f72d3351a7260213bf43d61b8a844fe308f1f12d5fcf8f3838373a8df1c5a55

Aliases

arxiv: astro-ph/0209274 · arxiv_version: astro-ph/0209274v1 · doi: 10.48550/arxiv.astro-ph/0209274 · pith_short_12: L5ZNGNI2OJQC · pith_short_16: L5ZNGNI2OJQCCO7U · pith_short_8: L5ZNGNI2

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/L5ZNGNI2OJQCCO7UHVQ3RKCE7Y \
  | 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: 5f72d3351a7260213bf43d61b8a844fe308f1f12d5fcf8f3838373a8df1c5a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1945c09966c2e06b6c0ed33a31d4e09f0b0b7cdcf577bfa9332f28b752a27f8",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-13T19:53:47Z",
    "title_canon_sha256": "28fbbfffef32a899cc49858c9d40af6eb4765875685586a35f85b5526adf0af9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209274",
    "kind": "arxiv",
    "version": 1
  }
}