Pith Number

pith:GYC3I44C

pith:2009:GYC3I44CPSLXU4WCKBJMCQCPQG

not attested not anchored not stored refs pending

Studies of Molecular Clouds associated with H II Regions: S175

Carolyn McCoey, Michel Fich, Mohaddesseh Azimlu

arxiv:0903.3942 v1 · 2009-03-24 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYC3I44CPSLXU4WCKBJMCQCPQG}

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	2026-05-18T02:14:26.446192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3605b473827c977a72c25052c1404f8191348e6821639aa0f8ca2a5828b472d4

Aliases

arxiv: 0903.3942 · arxiv_version: 0903.3942v1 · doi: 10.48550/arxiv.0903.3942 · pith_short_12: GYC3I44CPSLX · pith_short_16: GYC3I44CPSLXU4WC · pith_short_8: GYC3I44C

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/GYC3I44CPSLXU4WCKBJMCQCPQG \
  | 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: 3605b473827c977a72c25052c1404f8191348e6821639aa0f8ca2a5828b472d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c83ec01ad84e44c1ac1e3b4f296357668577888fe1573cc3a47d6a826053f30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-24T03:23:36Z",
    "title_canon_sha256": "39794f073e2e211ab2a6444ae88cec28c4a5504d03f3ac1565a5ade047ebfaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3942",
    "kind": "arxiv",
    "version": 1
  }
}