Pith Number

pith:YCIQZUOK

pith:2002:YCIQZUOKRGYTNCRCHTBGOEX7UZ

not attested not anchored not stored refs pending

Uncovering Additional Clues to Galaxy Evolution. I. Dwarf Irregulars in the Field

2), (2) Max-Planck-Institute for Astronomy, 3) ((1) York University, (3) Memorial University of Newfoundland, Canada, Canada), Chris C. Stevenson (1, Germany, Heidelberg, Henry Lee (1, Marshall L. McCall (1), Robert Ross (1), Robin L. Kingsburgh (1), Toronto

arxiv:astro-ph/0210098 v2 · 2002-10-03 · 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{YCIQZUOKRGYTNCRCHTBGOEX7UZ}

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	2026-07-04T16:30:54.215414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0910cd1ca89b1368a223cc26712ffa67f4f014755d90b4845b4bb9b7b94e220

Aliases

arxiv: astro-ph/0210098 · arxiv_version: astro-ph/0210098v2 · doi: 10.48550/arxiv.astro-ph/0210098 · pith_short_12: YCIQZUOKRGYT · pith_short_16: YCIQZUOKRGYTNCRC · pith_short_8: YCIQZUOK

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/YCIQZUOKRGYTNCRCHTBGOEX7UZ \
  | 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: c0910cd1ca89b1368a223cc26712ffa67f4f014755d90b4845b4bb9b7b94e220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adcbab540f14ee760e70bb5a3be199970620010bca4491e74f43bbb15e76c89f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-03T17:32:12Z",
    "title_canon_sha256": "8999c3da6d99b7798e0163285a9ceb6a3bfe246d9d1a3a2d2185179f71e899c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210098",
    "kind": "arxiv",
    "version": 2
  }
}