Pith Number

pith:A5YUCTUO

pith:1997:A5YUCTUO3GEIR2AJOWS74YC26F

not attested not anchored not stored refs pending

Tau Neutrino Decays and Big Bang Nucleosynthesis

S. Hannestad

arxiv:hep-ph/9711249 v1 · 1997-11-06 · hep-ph · 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{A5YUCTUO3GEIR2AJOWS74YC26F}

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	2026-07-04T16:05:17.277484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0771414e8ed98888e80975a5fe605af142d61355dabad439bd4dc069096dca4d

Aliases

arxiv: hep-ph/9711249 · arxiv_version: hep-ph/9711249v1 · doi: 10.48550/arxiv.hep-ph/9711249 · pith_short_12: A5YUCTUO3GEI · pith_short_16: A5YUCTUO3GEIR2AJ · pith_short_8: A5YUCTUO

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/A5YUCTUO3GEIR2AJOWS74YC26F \
  | 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: 0771414e8ed98888e80975a5fe605af142d61355dabad439bd4dc069096dca4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77e3d55d00d31a4622224d63b4720e2a4854f11adbf0f57505770e900be045a",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-11-06T09:33:03Z",
    "title_canon_sha256": "cf269164f86d34bf180e16dff7f058f0e226d941c95c889fd2d534ead8d1a39b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9711249",
    "kind": "arxiv",
    "version": 1
  }
}