Pith Number

pith:3KPBNDHX

pith:2012:3KPBNDHXTXBUJRCEH7P7PB6O5N

not attested not anchored not stored refs pending

Molecular gas towards G18.8+1.8

C. E. Cappa, J. Vasquez, M. Rubio, N. U. Duronea

arxiv:1204.3907 v1 · 2012-04-17 · 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{3KPBNDHXTXBUJRCEH7P7PB6O5N}

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	2026-05-18T01:57:49.704668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da9e168cf79dc344c4443fdff787ceeb40fe24f032e2cc57dd51658ec4ee991a

Aliases

arxiv: 1204.3907 · arxiv_version: 1204.3907v1 · doi: 10.48550/arxiv.1204.3907 · pith_short_12: 3KPBNDHXTXBU · pith_short_16: 3KPBNDHXTXBUJRCE · pith_short_8: 3KPBNDHX

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/3KPBNDHXTXBUJRCEH7P7PB6O5N \
  | 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: da9e168cf79dc344c4443fdff787ceeb40fe24f032e2cc57dd51658ec4ee991a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f6b32b9f5292c6de4ad644f221d8dbd546bfe0b3e01b9290474c19aefa5c50f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-17T20:06:15Z",
    "title_canon_sha256": "8d764cfd5cace2d02f0376be5211b60b8acbc9430a1dc7d229eaf32d3e106b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3907",
    "kind": "arxiv",
    "version": 1
  }
}