Pith Number

pith:U3F3TFYB

pith:1997:U3F3TFYBKF45AAGSFNROHZMFPU

not attested not anchored not stored refs pending

White Dwarfs in Globular Clusters: HST Observations of M4

Carlton Pryor (Rutgers), Georgi Mandushev (UBC), Gregory G. Fahlman (UBC) Rodrigo A. Ibata (UBC), Harvey B. Richer (UBC), Howard E. Bond (STScI), James E. Hesser (DAO), Matt A. Wood (FIT), Michael Bolte (Santa Cruz), Nicholas Ivanans (UBC), Peter B. Stetson (DAO), Roger A. Bell (Maryland), Steve Holland (UBC), William E. Harris (McMaster)

arxiv:astro-ph/9702169 v1 · 1997-02-19 · 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{U3F3TFYBKF45AAGSFNROHZMFPU}

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	2026-05-18T04:28:57.323236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6cbb997015179d000d22b62e3e5857d01d8e5c22684a29e27b257cc0ae71a6f

Aliases

arxiv: astro-ph/9702169 · arxiv_version: astro-ph/9702169v1 · doi: 10.48550/arxiv.astro-ph/9702169 · pith_short_12: U3F3TFYBKF45 · pith_short_16: U3F3TFYBKF45AAGS · pith_short_8: U3F3TFYB

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/U3F3TFYBKF45AAGSFNROHZMFPU \
  | 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: a6cbb997015179d000d22b62e3e5857d01d8e5c22684a29e27b257cc0ae71a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f85ec5c41982d305cd9ee63bddd908e1b495354582f8b95dddd38a1ea9566f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-19T22:14:16Z",
    "title_canon_sha256": "6438190ac8e127a3a9aaee752ae368a4973a7c7d1a4552a07e23f1aafb6fa80c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702169",
    "kind": "arxiv",
    "version": 1
  }
}