Pith Number

pith:U6ZAAW55

pith:2000:U6ZAAW556QICSYNWGGHFJKNIVD

not attested not anchored not stored refs pending

Primordial Nucleosynthesis, Cosmic Microwave Background and Neutrinos

A. Melchiorri, G. Mangano, O. Pisanti

arxiv:astro-ph/0012291 v2 · 2000-12-13 · 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{U6ZAAW556QICSYNWGGHFJKNIVD}

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	2026-07-04T16:17:47.742385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b2005bbdf4102961b6318e54a9a8a8c566f35c74d4445709ac2f09786cbb6e

Aliases

arxiv: astro-ph/0012291 · arxiv_version: astro-ph/0012291v2 · doi: 10.48550/arxiv.astro-ph/0012291 · pith_short_12: U6ZAAW556QIC · pith_short_16: U6ZAAW556QICSYNW · pith_short_8: U6ZAAW55

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/U6ZAAW556QICSYNWGGHFJKNIVD \
  | 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: a7b2005bbdf4102961b6318e54a9a8a8c566f35c74d4445709ac2f09786cbb6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3713acef3c6addeb6bf173b397954ffa240f7725b86697eda8764bc5e5aa0a6d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-13T15:18:46Z",
    "title_canon_sha256": "c8b875b6f5e1748d5e40e8d1fac39cd20b7b02c6bd28247f962b9ed50abcd47c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012291",
    "kind": "arxiv",
    "version": 2
  }
}