Pith Number

pith:OEBXWWM4

pith:2011:OEBXWWM4B7RLEIKPYCGB6HM7QD

not attested not anchored not stored refs pending

An analysis of constraints on relativistic species from primordial nucleosynthesis and the cosmic microwave background

Gilbert P. Holder (McGill), Kenneth M. Nollett (Argonne)

arxiv:1112.2683 v1 · 2011-12-12 · astro-ph.CO · nucl-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{OEBXWWM4B7RLEIKPYCGB6HM7QD}

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.

Cited by

1 paper in Pith

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T04:06:33.618743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71037b599c0fe2b2214fc08c1f1d9f80dc74834c7d1ef7e7df7e892e2c2bdf45

Aliases

arxiv: 1112.2683 · arxiv_version: 1112.2683v1 · doi: 10.48550/arxiv.1112.2683 · pith_short_12: OEBXWWM4B7RL · pith_short_16: OEBXWWM4B7RLEIKP · pith_short_8: OEBXWWM4

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/OEBXWWM4B7RLEIKPYCGB6HM7QD \
  | 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: 71037b599c0fe2b2214fc08c1f1d9f80dc74834c7d1ef7e7df7e892e2c2bdf45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3169cfecb37dc150c7384c0845ba1d6eec51fa19b36e2f8257c51f103ccf93f",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-12T20:23:39Z",
    "title_canon_sha256": "bed1a8241fcd4e93890bcc6407428d34a06857413a9bf1df91ae2073366709ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2683",
    "kind": "arxiv",
    "version": 1
  }
}