Pith Number

pith:YS43CPLU

pith:2011:YS43CPLUEWZWBVFTV7OKUMDGLG

not attested not anchored not stored refs pending

CO2 formation in quiescent clouds; an experimental study of the CO + OH pathway

2), (2) SUPA, Emanuele Congiu (1), Fran\c{c}ois Dulieu (1), France, Helen Jane Fraser (2) ((1) Universit\'e de Cergy-Pontoise, Jennifer Anna Noble (1, Scotland), University of Strathclyde

arxiv:1104.0031 v1 · 2011-03-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YS43CPLUEWZWBVFTV7OKUMDGLG}

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	2026-05-18T04:18:54.385996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b9b13d7425b360d4b3afdcaa3066598d1b918ce13e2b0c3dce3da3d5d68204

Aliases

arxiv: 1104.0031 · arxiv_version: 1104.0031v1 · doi: 10.48550/arxiv.1104.0031 · pith_short_12: YS43CPLUEWZW · pith_short_16: YS43CPLUEWZWBVFT · pith_short_8: YS43CPLU

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/YS43CPLUEWZWBVFTV7OKUMDGLG \
  | 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: c4b9b13d7425b360d4b3afdcaa3066598d1b918ce13e2b0c3dce3da3d5d68204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21dc825647de7b73e5feba8647c310ed94f1922ee58c322ceb41c5051e2401a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-31T21:01:12Z",
    "title_canon_sha256": "33d4b4e15f336b07bd7a3571ef7901b993d7a411852b73af7baaf21197c67996"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0031",
    "kind": "arxiv",
    "version": 1
  }
}