Pith Number
pith:YZKOKXHJ
pith:2012:YZKOKXHJEN2PT7KRHCVMIODIAT
not attested
not anchored
not stored
refs pending
Increasing Neff with particles in thermal equilibrium with neutrinos
arxiv:1207.0497 v2 · 2012-07-02 · astro-ph.CO · hep-ph
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YZKOKXHJEN2PT7KRHCVMIODIAT}
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
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claim
4
Citations
5
Replications
✓
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
Receipt and verification
| First computed | 2026-05-18T01:56:35.584064Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
c654e55ce92374f9fd5138aac4386804c0477d0a6561aacfa9676ed64d0be6c6
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YZKOKXHJEN2PT7KRHCVMIODIAT \
| 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: c654e55ce92374f9fd5138aac4386804c0477d0a6561aacfa9676ed64d0be6c6
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "66f4169c48ebfb0cd9b762033d28d6818cdf0e38144cceec72e1112a15ea23f7",
"cross_cats_sorted": [
"hep-ph"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.CO",
"submitted_at": "2012-07-02T20:00:01Z",
"title_canon_sha256": "6151c8fff7529a230b55b5d5158d783edc6710b22b8a23f5c23036b39f06f909"
},
"schema_version": "1.0",
"source": {
"id": "1207.0497",
"kind": "arxiv",
"version": 2
}
}