Pith Number

pith:VYR3YZCA

pith:2003:VYR3YZCA2QUBGRDJSF7HI6CCGE

not attested not anchored not stored refs pending

An alternative to the cosmological 'concordance model'

Alain Blanchard, Marian Douspis, Michael Rowan-Robinson, Subir Sarkar

arxiv:astro-ph/0304237 v2 · 2003-04-14 · astro-ph · hep-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{VYR3YZCA2QUBGRDJSF7HI6CCGE}

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	2026-05-18T04:28:38.254183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae23bc6440d428134469917e747842313bf767fe71fdd03e4f0b6559215fb4bd

Aliases

arxiv: astro-ph/0304237 · arxiv_version: astro-ph/0304237v2 · doi: 10.48550/arxiv.astro-ph/0304237 · pith_short_12: VYR3YZCA2QUB · pith_short_16: VYR3YZCA2QUBGRDJ · pith_short_8: VYR3YZCA

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/VYR3YZCA2QUBGRDJSF7HI6CCGE \
  | 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: ae23bc6440d428134469917e747842313bf767fe71fdd03e4f0b6559215fb4bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a316498c0b79f30b4f890612f934e32444ce46c1ca7ed95644bff4349ec37c7",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-14T13:43:26Z",
    "title_canon_sha256": "7b26697d878bdc8f2250928e4917072cc08ab2c03ca1808c1304c4786c89ac4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304237",
    "kind": "arxiv",
    "version": 2
  }
}