Pith Number

pith:D5LG6VDK

pith:2001:D5LG6VDK54M4PO5OMN7ZA7H2XP

not attested not anchored not stored refs pending

Observational Tests of FRW World Models

Cambridge), Ofer Lahav (IoA

arxiv:astro-ph/0112524 v1 · 2001-12-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D5LG6VDK54M4PO5OMN7ZA7H2XP}

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	2026-07-04T15:29:17.225157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f566f546aef19c7bbae637f907cfabbd6ff3ebdeb187f1353d42488f0815279

Aliases

arxiv: astro-ph/0112524 · arxiv_version: astro-ph/0112524v1 · doi: 10.48550/arxiv.astro-ph/0112524 · pith_short_12: D5LG6VDK54M4 · pith_short_16: D5LG6VDK54M4PO5O · pith_short_8: D5LG6VDK

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/D5LG6VDK54M4PO5OMN7ZA7H2XP \
  | 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: 1f566f546aef19c7bbae637f907cfabbd6ff3ebdeb187f1353d42488f0815279

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "813ac2c4a0be186505855be1da91b55cfa23ac3d1d260b1140d041f83c2eca6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-21T18:29:49Z",
    "title_canon_sha256": "05b8aa66f5dea1ba3e642a196517459b767222c5e7c52f3a6a81eb2cc1d748a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112524",
    "kind": "arxiv",
    "version": 1
  }
}