Pith Number

pith:FXM3UOBN

pith:2009:FXM3UOBN3T7KDQYMKTOK3BPGVU

not attested not anchored not stored refs pending

Four highly luminous massive star forming regions in the Norma Spiral Arm.: I. Molecular gas and dust observations

2), (2) CRyA, (3) ESO, Chile), Diego Mardones (1, Guido Garay (1), Jorge May (1), Lars-Ake Nyman (3) ((1) Departamento de Astronomia, Leonardo Bronfman (1), Luis Chavarria (1), Mexico, Santiago, UNAM, Universidad de Chile

arxiv:0912.2655 v1 · 2009-12-14 · 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{FXM3UOBN3T7KDQYMKTOK3BPGVU}

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	2026-05-18T02:33:56.599870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd9ba382ddcfea1c30c54dcad85e6ad348b6b7f7ec921114a1968517fdc00f9

Aliases

arxiv: 0912.2655 · arxiv_version: 0912.2655v1 · doi: 10.48550/arxiv.0912.2655 · pith_short_12: FXM3UOBN3T7K · pith_short_16: FXM3UOBN3T7KDQYM · pith_short_8: FXM3UOBN

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/FXM3UOBN3T7KDQYMKTOK3BPGVU \
  | 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: 2dd9ba382ddcfea1c30c54dcad85e6ad348b6b7f7ec921114a1968517fdc00f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983f80294bceaa039ad938d71667e703fd3a25693e35a2d9a346a1cdb048631b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-14T14:59:54Z",
    "title_canon_sha256": "58ec266b83c802b713838a064634d0efe55d0a35deb126a209c8622eaff12fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2655",
    "kind": "arxiv",
    "version": 1
  }
}