Pith Number

pith:2UUTP345

pith:2010:2UUTP345HOGUOJSAW5CH4PG7E2

not attested not anchored not stored refs pending

Radiative transfer effects in primordial hydrogen recombination

Christopher M. Hirata, Daniel Grin, Yacine Ali-Ha\"imoud

arxiv:1009.4697 v1 · 2010-09-23 · 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{2UUTP345HOGUOJSAW5CH4PG7E2}

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	2026-05-18T04:32:35.998826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d52937ef9d3b8d472640b7447e3cdf26b476fc18eb8f486cbc791593fc008c76

Aliases

arxiv: 1009.4697 · arxiv_version: 1009.4697v1 · doi: 10.48550/arxiv.1009.4697 · pith_short_12: 2UUTP345HOGU · pith_short_16: 2UUTP345HOGUOJSA · pith_short_8: 2UUTP345

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/2UUTP345HOGUOJSAW5CH4PG7E2 \
  | 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: d52937ef9d3b8d472640b7447e3cdf26b476fc18eb8f486cbc791593fc008c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13f598db202e7e3ae56b9907891d1764e75023dd68942956cf0d40146e94455d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-23T20:00:02Z",
    "title_canon_sha256": "c58e452d995272c1485156150f28456f9716db1f8289aeb8f492afcfaa5a8943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4697",
    "kind": "arxiv",
    "version": 1
  }
}