Pith Number

pith:HAZQLGCJ

pith:2012:HAZQLGCJ2DWQG5VF3AQSXOCQJN

not attested not anchored not stored refs pending

The abundance of C3H2 and other small hydrocarbons in the diffuse interstellar medium

Harvey Liszt, Martin Cordiner, Maryvonne Gerin, Paule Sonnentrucker

arxiv:1206.0342 v2 · 2012-06-02 · 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{HAZQLGCJ2DWQG5VF3AQSXOCQJN}

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	2026-05-18T01:57:08.662484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3833059849d0ed0376a5d8212bb8504b7656d1a4971d93d4968c7f6ef5ead942

Aliases

arxiv: 1206.0342 · arxiv_version: 1206.0342v2 · doi: 10.48550/arxiv.1206.0342 · pith_short_12: HAZQLGCJ2DWQ · pith_short_16: HAZQLGCJ2DWQG5VF · pith_short_8: HAZQLGCJ

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/HAZQLGCJ2DWQG5VF3AQSXOCQJN \
  | 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: 3833059849d0ed0376a5d8212bb8504b7656d1a4971d93d4968c7f6ef5ead942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b92f16e67e353be60edb7a3c6aa4aef26388703c914b2f2093c320134c78cb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-02T03:30:16Z",
    "title_canon_sha256": "f2e787b181089bd66004e83e3c99f280f0cc5a4db2435684ecbd44b2cde5fcdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0342",
    "kind": "arxiv",
    "version": 2
  }
}