pith. sign in
Pith Number

pith:WOERYX4J

pith:2017:WOERYX4JKI325AZC263MQWBNJY
not attested not anchored not stored refs pending

Effect of lithium hydride on the cooling of primordial gas

Boyuan Liu, Volker Bromm

arxiv:1712.02756 v2 · 2017-12-07 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WOERYX4JKI325AZC263MQWBNJY}

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 2026-05-18T00:22:23.678928Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b3891c5f895237ae8322d7b6c8582d4e2e2113c5f8a6b30ad1f3a48a25af1c69

Aliases

arxiv: 1712.02756 · arxiv_version: 1712.02756v2 · doi: 10.48550/arxiv.1712.02756 · pith_short_12: WOERYX4JKI32 · pith_short_16: WOERYX4JKI325AZC · pith_short_8: WOERYX4J
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WOERYX4JKI325AZC263MQWBNJY \
  | 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: b3891c5f895237ae8322d7b6c8582d4e2e2113c5f8a6b30ad1f3a48a25af1c69
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6d4d9dafd8afc04407a669710d947b2a6880a1fbe89283a212948f102212257d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-07T18:04:23Z",
    "title_canon_sha256": "b227046fc8582bf00c34fa2a104affef2c93450479a1efc9a0b67afb708c82ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02756",
    "kind": "arxiv",
    "version": 2
  }
}