Pith Number

pith:33IG7XAE

pith:2005:33IG7XAERHSUDABE6IEDXN6XZW

not attested not anchored not stored refs pending

From Ultracompact to Extended HII Regions. II: Cloud Gravity and Stellar Motion

Guillermo Garcia-Segura, Jose Franco, Stan Kurtz

arxiv:astro-ph/0508467 v1 · 2005-08-22 · 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{33IG7XAERHSUDABE6IEDXN6XZW}

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	2026-05-18T04:29:05.117118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded06fdc0489e5418024f2083bb7d7cdb5737d735d8a14c0d1a709a344ed0f65

Aliases

arxiv: astro-ph/0508467 · arxiv_version: astro-ph/0508467v1 · doi: 10.48550/arxiv.astro-ph/0508467 · pith_short_12: 33IG7XAERHSU · pith_short_16: 33IG7XAERHSUDABE · pith_short_8: 33IG7XAE

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/33IG7XAERHSUDABE6IEDXN6XZW \
  | 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: ded06fdc0489e5418024f2083bb7d7cdb5737d735d8a14c0d1a709a344ed0f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5810a810bed02337e1108b2abe6c377a1eed071f9792074d5feae9eb9a5e685",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-22T21:12:33Z",
    "title_canon_sha256": "241fcf9c8496e3aeb9b3bd0a490a3d605b501c8a03db4f00cb20cabc6329fec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508467",
    "kind": "arxiv",
    "version": 1
  }
}