Pith Number

pith:BOFJ3PSR

pith:2001:BOFJ3PSRYQDDNCT66HZRYJA3G7

not attested not anchored not stored refs pending

Big Bang Nucleosynthesis, Cosmic Microwave Background Anisotropies and Dark Energy

DEMIRM, D. Puy (Institute of Theoretical Physics, M. Signore (Observatoire de Paris, Paris-France), PSI - Switzerland), Univ. of Zurich

arxiv:astro-ph/0108515 v2 · 2001-08-31 · 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{BOFJ3PSRYQDDNCT66HZRYJA3G7}

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	2026-05-18T04:33:37.934177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b8a9dbe51c406368a7ef1f31c241b37fa26ada59e27ffadd0ac650b5fb628e8

Aliases

arxiv: astro-ph/0108515 · arxiv_version: astro-ph/0108515v2 · doi: 10.48550/arxiv.astro-ph/0108515 · pith_short_12: BOFJ3PSRYQDD · pith_short_16: BOFJ3PSRYQDDNCT6 · pith_short_8: BOFJ3PSR

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/BOFJ3PSRYQDDNCT66HZRYJA3G7 \
  | 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: 0b8a9dbe51c406368a7ef1f31c241b37fa26ada59e27ffadd0ac650b5fb628e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac58e5a433e13e1ca63d7dbcc68264c47d98a5082a544586623c7cafdba0f211",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-31T14:25:31Z",
    "title_canon_sha256": "c45d00c768539236a789578ed7cea11d262f07808ef96203f5ef158db2185355"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108515",
    "kind": "arxiv",
    "version": 2
  }
}