Pith Number

pith:TL2UYYTE

pith:2013:TL2UYYTE4N7IQRKSJA22QDNQJW

not attested not anchored not stored refs pending

The gas-phase chemistry of carbon chains in dark cloud chemical models

Astrid Bergeat, Jean-Christophe Loison, Kevin M. Hickson, Raphael Mereau, Valentine Wakelam

arxiv:1311.3865 v1 · 2013-11-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TL2UYYTE4N7IQRKSJA22QDNQJW}

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	2026-05-18T01:46:24.434876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af54c6264e37e8845524835a80db04d8aff05f9c25068dc16f0465a9fdc1830

Aliases

arxiv: 1311.3865 · arxiv_version: 1311.3865v1 · doi: 10.48550/arxiv.1311.3865 · pith_short_12: TL2UYYTE4N7I · pith_short_16: TL2UYYTE4N7IQRKS · pith_short_8: TL2UYYTE

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/TL2UYYTE4N7IQRKSJA22QDNQJW \
  | 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: 9af54c6264e37e8845524835a80db04d8aff05f9c25068dc16f0465a9fdc1830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf948873aa61a9d0f34ab4ac5404587265922332142f85c677485a5c2d6e6bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-15T14:56:59Z",
    "title_canon_sha256": "3982b44dcde679fec890082c2ac23cda6219ac76d3748e54b1de74ae17a9af11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3865",
    "kind": "arxiv",
    "version": 1
  }
}