Pith Number

pith:4NUIY7XQ

pith:2002:4NUIY7XQ3U7PM3HL3GVPAY4OFB

not attested not anchored not stored refs pending

Massive Stars in the Arches Cluster

2), (2) JHU, (3) Instituto de Estructura de la Materia, (4) UCLA, (5) Caltech (6) UCB (7) GSFC), Andrea M. Gilbert (6), Diane Gilmore (1), Donald F. Figer (1, Eugene Serabyn (5), Francisco Najarro (3), Harry I. Teplitz (7) ((1) STScI, Ian S. McLean (4), James E. Larkin (6), James R. Graham (6), Mark Morris (4), N.A. Levenson (2), Sungsoo S. Kim (4)

arxiv:astro-ph/0208145 v1 · 2002-08-07 · 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{4NUIY7XQ3U7PM3HL3GVPAY4OFB}

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	2026-05-18T04:23:01.144019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3688c7ef0dd3ef66cebd9aaf0638e2852618db3cbc68d47bb04d02da95d3df8

Aliases

arxiv: astro-ph/0208145 · arxiv_version: astro-ph/0208145v1 · doi: 10.48550/arxiv.astro-ph/0208145 · pith_short_12: 4NUIY7XQ3U7P · pith_short_16: 4NUIY7XQ3U7PM3HL · pith_short_8: 4NUIY7XQ

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/4NUIY7XQ3U7PM3HL3GVPAY4OFB \
  | 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: e3688c7ef0dd3ef66cebd9aaf0638e2852618db3cbc68d47bb04d02da95d3df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b83dc80f08d6d265dcd433b71306c28bc6445c1cceb48419fe240cbccfb689c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-07T02:46:45Z",
    "title_canon_sha256": "9288138324528e11bfda3bdab6881f8fa8cc5614e41b26862fad77e06703f50d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208145",
    "kind": "arxiv",
    "version": 1
  }
}