Pith Number

pith:7BEOCS7M

pith:2008:7BEOCS7MAOZA5AQAZ5BZWDJJQ7

not attested not anchored not stored refs pending

How Interstellar Chemistry (and Astrochemistry More Generally) Became Useful

S. A. E. G. Falle, S. Van Loo, T. W. Hartquist

arxiv:0812.3265 v1 · 2008-12-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BEOCS7MAOZA5AQAZ5BZWDJJQ7}

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	2026-05-18T00:37:38.717551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f848e14bec03b20e8200cf439b0d2987f8ac518dd5ab4d1b23b7c65774e5d41e

Aliases

arxiv: 0812.3265 · arxiv_version: 0812.3265v1 · doi: 10.48550/arxiv.0812.3265 · pith_short_12: 7BEOCS7MAOZA · pith_short_16: 7BEOCS7MAOZA5AQA · pith_short_8: 7BEOCS7M

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/7BEOCS7MAOZA5AQAZ5BZWDJJQ7 \
  | 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: f848e14bec03b20e8200cf439b0d2987f8ac518dd5ab4d1b23b7c65774e5d41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d940a70124a6adf0dfaa289b94dd7249b4f2b152b4b4d99533a599b5dc7389",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-17T11:50:10Z",
    "title_canon_sha256": "f2dbdf1248845865021a6d14f94d24f5437a352d002ff2b74a9ad2649d635fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3265",
    "kind": "arxiv",
    "version": 1
  }
}