Pith Number

pith:2KPUFJRX

pith:1999:2KPUFJRX2VZFGZQST6MPOOOG6Q

not attested not anchored not stored refs pending

Primordial Nucleosynthesis: Theory and Observations

Gary Steigman, Keith A. Olive, Terry P. Walker

arxiv:astro-ph/9905320 v1 · 1999-05-25 · 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{2KPUFJRX2VZFGZQST6MPOOOG6Q}

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

2 papers in Pith

Improved Big Bang Nucleosynthesis constraints on decaying massive relics

Mapping the Universe as a Bianchi I cosmology with Gaia data

Receipt and verification

First computed	2026-07-04T15:18:06.223219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29f42a637d5725366129f98f739c6f414ab13df7d336622c44be92613b16ecf

Aliases

arxiv: astro-ph/9905320 · arxiv_version: astro-ph/9905320v1 · doi: 10.48550/arxiv.astro-ph/9905320 · pith_short_12: 2KPUFJRX2VZF · pith_short_16: 2KPUFJRX2VZFGZQS · pith_short_8: 2KPUFJRX

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/2KPUFJRX2VZFGZQST6MPOOOG6Q \
  | 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: d29f42a637d5725366129f98f739c6f414ab13df7d336622c44be92613b16ecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a16e4f84e107fb9039b3627ca753734caea7d360e2a2520fbe6a66db839a8f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-25T19:41:33Z",
    "title_canon_sha256": "16cc23e099f6b156da761afb4046f63341de1b73bfc8e772b0473274dd88a1f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905320",
    "kind": "arxiv",
    "version": 1
  }
}