Pith Number

pith:2WCOE73M

pith:2012:2WCOE73MRIUWANZ3UK6KE25I6C

not attested not anchored not stored refs pending

Restrictions on the lifetime of sterile neutrinos from primordial nucleosynthesis

Artem Ivashko, Oleg Ruchayskiy

arxiv:1202.2841 v2 · 2012-02-13 · hep-ph · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WCOE73MRIUWANZ3UK6KE25I6C}

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	2026-05-18T03:43:40.314102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d584e27f6c8a2960373ba2bca26ba8f084ca96ed40c63613e27c5160c653b6c0

Aliases

arxiv: 1202.2841 · arxiv_version: 1202.2841v2 · doi: 10.48550/arxiv.1202.2841 · pith_short_12: 2WCOE73MRIUW · pith_short_16: 2WCOE73MRIUWANZ3 · pith_short_8: 2WCOE73M

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/2WCOE73MRIUWANZ3UK6KE25I6C \
  | 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: d584e27f6c8a2960373ba2bca26ba8f084ca96ed40c63613e27c5160c653b6c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d0e38960f1b101b6e2c06479e5e848cde8cec0339ea2abc6cab8b5f5d03454",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-02-13T20:40:19Z",
    "title_canon_sha256": "0e53a7212c57af5771cfe9a41c30640710a7f893c4418fc9c92422b68642ae6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2841",
    "kind": "arxiv",
    "version": 2
  }
}