Pith Number

pith:I4SOUMS5

pith:2003:I4SOUMS55SRRSQ25KB22EMTBDE

not attested not anchored not stored refs pending

Stephan's Quintet: The X-ray Anatomy of a Multiple Galaxy Collision

(2)U. Of Alabama, (3)MPE, D. Breitschwerdt (3), Garching, Germany), G. Trinchieri (1), Italy, J. Sulentic (2), Milano, USA, W. Pietsch (3) ((1)INAF-OABr

arxiv:astro-ph/0302590 v1 · 2003-02-28 · 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{I4SOUMS55SRRSQ25KB22EMTBDE}

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	2026-05-18T04:21:41.692354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4724ea325deca319435d5075a2326119053c06237081560f2814c95fe1e7124f

Aliases

arxiv: astro-ph/0302590 · arxiv_version: astro-ph/0302590v1 · doi: 10.48550/arxiv.astro-ph/0302590 · pith_short_12: I4SOUMS55SRR · pith_short_16: I4SOUMS55SRRSQ25 · pith_short_8: I4SOUMS5

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/I4SOUMS55SRRSQ25KB22EMTBDE \
  | 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: 4724ea325deca319435d5075a2326119053c06237081560f2814c95fe1e7124f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70e1c132240c78ca37e64301452a8c843ec08bc460ed6254e17fc9047dab866c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-28T10:18:46Z",
    "title_canon_sha256": "2b835b1802103b5b315eaebe59289d40050c245982e80363fbc47d95166ff8cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302590",
    "kind": "arxiv",
    "version": 1
  }
}