Pith Number

pith:VAOX6TSD

pith:2004:VAOX6TSDIWUGIT2IYH3FJHMQX7

not attested not anchored not stored refs pending

Morphology of Galactic Open Clusters

& C. G. Shu, C. W. Chen, W. P. Chen

arxiv:astro-ph/0408021 v1 · 2004-08-02 · 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{VAOX6TSDIWUGIT2IYH3FJHMQX7}

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	2026-07-04T16:44:25.310978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a81d7f4e4345a8644f48c1f6549d90bff66113f89929bca8c88b93b74eeb4334

Aliases

arxiv: astro-ph/0408021 · arxiv_version: astro-ph/0408021v1 · doi: 10.48550/arxiv.astro-ph/0408021 · pith_short_12: VAOX6TSDIWUG · pith_short_16: VAOX6TSDIWUGIT2I · pith_short_8: VAOX6TSD

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/VAOX6TSDIWUGIT2IYH3FJHMQX7 \
  | 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: a81d7f4e4345a8644f48c1f6549d90bff66113f89929bca8c88b93b74eeb4334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c24918663448b2e47cd755c7406f805a39e68546f3ac6991d583e612d794309",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-02T09:48:29Z",
    "title_canon_sha256": "57c61fadac29275fed170741ff7c300e407fd8fa16b05ff5c3c2500dbf71c498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408021",
    "kind": "arxiv",
    "version": 1
  }
}