Pith Number

pith:IKHKAJVD

pith:2000:IKHKAJVD7JHOQVJI4DJYPZ6YJT

not attested not anchored not stored refs pending

Ages and Metallicities of Globular Clusters in NGC 4472

D. A. Hanes, D. Geisler, K. M. Ashman, M. A. Beasley, R. M. Sharples, S. E. Zepf, T. J. Bridges

arxiv:astro-ph/0007063 v1 · 2000-07-06 · 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{IKHKAJVD7JHOQVJI4DJYPZ6YJT}

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	2026-07-04T16:16:52.613380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428ea026a3fa4ee85528e0d387e7d84cd968cfac92667aa56c9dd2f8eaa392c1

Aliases

arxiv: astro-ph/0007063 · arxiv_version: astro-ph/0007063v1 · doi: 10.48550/arxiv.astro-ph/0007063 · pith_short_12: IKHKAJVD7JHO · pith_short_16: IKHKAJVD7JHOQVJI · pith_short_8: IKHKAJVD

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/IKHKAJVD7JHOQVJI4DJYPZ6YJT \
  | 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: 428ea026a3fa4ee85528e0d387e7d84cd968cfac92667aa56c9dd2f8eaa392c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f0d4c2000ef2b5ba8ff74f4018b7ce7f9fa2bb94b282e649fc69c06ac017ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-06T00:56:45Z",
    "title_canon_sha256": "031aa99a4eb678622332de325a7e5f283166b1c534ff2598f7e2f315b81ab65a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007063",
    "kind": "arxiv",
    "version": 1
  }
}