Pith Number

pith:BTG4PMTP

pith:2012:BTG4PMTPM2EK37WT6DRCQPDNK7

not attested not anchored not stored refs pending

The Sources of HCN and CH3OH and the Rotational Temperature in Comet 103P/Hartley 2 from Time-Resolved Millimeter Spectroscopy

Albrecht Sievers, Aurelie Guilbert-Lepoutre, David Jewitt, Michal Drahus, Waclaw Waniak

arxiv:1202.3194 v2 · 2012-02-15 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTG4PMTPM2EK37WT6DRCQPDNK7}

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	2026-05-18T01:58:28.323091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccdc7b26f6688adfed3f0e2283c6d57fe8def17200b7b6cf7ba5b11192c1d20

Aliases

arxiv: 1202.3194 · arxiv_version: 1202.3194v2 · doi: 10.48550/arxiv.1202.3194 · pith_short_12: BTG4PMTPM2EK · pith_short_16: BTG4PMTPM2EK37WT · pith_short_8: BTG4PMTP

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/BTG4PMTPM2EK37WT6DRCQPDNK7 \
  | 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: 0ccdc7b26f6688adfed3f0e2283c6d57fe8def17200b7b6cf7ba5b11192c1d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977482c7e463281c958062f25529416b9a76433604d78425f6e1adfe34523a40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-02-15T02:29:52Z",
    "title_canon_sha256": "4412fb3215f06ec16ff0269bcad8e34615881e71fdd6d164673a1487d0721dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3194",
    "kind": "arxiv",
    "version": 2
  }
}