Pith Number

pith:HPOS72ZC

pith:2005:HPOS72ZCXLP4LR6AYXM535UKUB

not attested not anchored not stored refs pending

Molecular Hydrogen in Star-forming regions: implementation of its micro-physics in Cloudy

G. J. Ferland, G. Shaw, N. P. Abel, P. A. M. van Hoof, P. C. Stancil

arxiv:astro-ph/0501485 v1 · 2005-01-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPOS72ZCXLP4LR6AYXM535UKUB}

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.

Cited by

1 paper in Pith

Direct Collapse Black Hole Candidates from Decaying Dark Matter

Receipt and verification

First computed	2026-07-04T16:50:41.146552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bdd2feb22badfc5c7c0c5d9ddf68aa07282c6fefe4b0ec254c8ad8e45f29c87

Aliases

arxiv: astro-ph/0501485 · arxiv_version: astro-ph/0501485v1 · doi: 10.48550/arxiv.astro-ph/0501485 · pith_short_12: HPOS72ZCXLP4 · pith_short_16: HPOS72ZCXLP4LR6A · pith_short_8: HPOS72ZC

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/HPOS72ZCXLP4LR6AYXM535UKUB \
  | 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: 3bdd2feb22badfc5c7c0c5d9ddf68aa07282c6fefe4b0ec254c8ad8e45f29c87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8207102297e17109ea59e5fe19e69d03208feee0499d92d2e995af398b5b209b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-22T18:15:09Z",
    "title_canon_sha256": "3f76bb9197ac0227d8304bb97aa38bbb8f16358f14807eb4217ef275b61ecc79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501485",
    "kind": "arxiv",
    "version": 1
  }
}