Pith Number

pith:XMD6ALGS

pith:2000:XMD6ALGSVPA2WUYDEDJLPQCV3J

not attested not anchored not stored refs pending

Heavy sterile neutrinos: Bounds from big-bang nucleosynthesis and SN 1987A

A.D. Dolgov, D.V. Semikoz, G. Raffelt, S.H. Hansen

arxiv:hep-ph/0008138 v2 · 2000-08-14 · 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{XMD6ALGSVPA2WUYDEDJLPQCV3J}

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	2026-07-04T16:20:17.740390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb07e02cd2abc1ab530320d2b7c055da485f91a6807b9593026518719c8c2d44

Aliases

arxiv: hep-ph/0008138 · arxiv_version: hep-ph/0008138v2 · doi: 10.48550/arxiv.hep-ph/0008138 · pith_short_12: XMD6ALGSVPA2 · pith_short_16: XMD6ALGSVPA2WUYD · pith_short_8: XMD6ALGS

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/XMD6ALGSVPA2WUYDEDJLPQCV3J \
  | 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: bb07e02cd2abc1ab530320d2b7c055da485f91a6807b9593026518719c8c2d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f1bad51ddf2a16db1485e0294de3142cd79d9492b0824b7f46de4ab89e289c",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-08-14T16:13:19Z",
    "title_canon_sha256": "3e6070d14cf1cef5056cab093d8e6b84ed393d88eeb769b88eaa03b609ef8171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0008138",
    "kind": "arxiv",
    "version": 2
  }
}