Pith Number

pith:4QIKJAPD

pith:1993:4QIKJAPDTKLYPFUVYVSPKCQE4O

not attested not anchored not stored refs pending

Primordial Nucleosynthesis with a Decaying Tau Neutrino

G. Gyuk, M.S. Turner, S. Dodelson

arxiv:astro-ph/9312062 v1 · 1993-12-28 · 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{4QIKJAPDTKLYPFUVYVSPKCQE4O}

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	2026-07-04T15:18:32.852031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e410a481e39a97879695c564f50a04e3892a45875040795443607cfcb4ff863d

Aliases

arxiv: astro-ph/9312062 · arxiv_version: astro-ph/9312062v1 · doi: 10.48550/arxiv.astro-ph/9312062 · pith_short_12: 4QIKJAPDTKLY · pith_short_16: 4QIKJAPDTKLYPFUV · pith_short_8: 4QIKJAPD

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/4QIKJAPDTKLYPFUVYVSPKCQE4O \
  | 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: e410a481e39a97879695c564f50a04e3892a45875040795443607cfcb4ff863d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636c5e5a93839badfc741e9994391d0240ffc75a26be8993c5341e467cc90b69",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-12-28T22:53:57Z",
    "title_canon_sha256": "0590586d61fc8385ee6d95322e9d39ca8119466553895e1c7ae17aacf6ac5c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9312062",
    "kind": "arxiv",
    "version": 1
  }
}