Pith Number

pith:ZP32YYSJ

pith:2003:ZP32YYSJJ2JUWCX74WDUUG6TAV

not attested not anchored not stored refs pending

The Recent Evolution of the Dwarf Starburst Galaxy NGC 625 from Hubble Space Telescope Imaging

(2) Ruhr-Universitaet Bochum, (3) Canadian Gemini Office, (4) Gemini Observatory), Bryan W. Miller (4) ((1) University of Minnesota, Dominik J. Bomans (2), Evan D. Skillman (1), John M. Cannon (1), Robbie C. Dohm-Palmer (1), Stephanie Cote (3)

arxiv:astro-ph/0309542 v1 · 2003-09-19 · 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{ZP32YYSJJ2JUWCX74WDUUG6TAV}

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	2026-07-04T16:51:41.900775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf7ac62494e934b0affe5874a1bd3055bb9301362cc03f1d4304275c18e32e6

Aliases

arxiv: astro-ph/0309542 · arxiv_version: astro-ph/0309542v1 · doi: 10.48550/arxiv.astro-ph/0309542 · pith_short_12: ZP32YYSJJ2JU · pith_short_16: ZP32YYSJJ2JUWCX7 · pith_short_8: ZP32YYSJ

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/ZP32YYSJJ2JUWCX74WDUUG6TAV \
  | 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: cbf7ac62494e934b0affe5874a1bd3055bb9301362cc03f1d4304275c18e32e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "454909d134d59f90d747c4e74da9f926fe57e92b87f7d896934ae3c04c282953",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-19T19:08:44Z",
    "title_canon_sha256": "baf70842c4e0b6d25c1da7f6afe8f312ee06743be21695397877a57eb63e93d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309542",
    "kind": "arxiv",
    "version": 1
  }
}