Pith Number

pith:ALN3KEH7

pith:2004:ALN3KEH7C4KQJH7HBC4GRCL2QY

not attested not anchored not stored refs pending

Warm-Hot Intergalactic Medium in the Sculptor Supercluster

(2) INAF-Osservatorio Astrofisico di Arcetri, (3) IRA-CNR, (4) MPE, Firenze, F. Mannucci (3), Garching), L. Zappacosta (1), P. Schuecker (4) ((1) Dipartimento di Astronomia, R. Gilli (2), R. Maiolino (2), Univ. Firenze

arxiv:astro-ph/0402575 v2 · 2004-02-24 · 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{ALN3KEH7C4KQJH7HBC4GRCL2QY}

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	2026-07-04T16:43:06.371432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02dbb510ff1715049fe708b868897a8625715c46eb6bafeea9435dcb4e07a158

Aliases

arxiv: astro-ph/0402575 · arxiv_version: astro-ph/0402575v2 · doi: 10.48550/arxiv.astro-ph/0402575 · pith_short_12: ALN3KEH7C4KQ · pith_short_16: ALN3KEH7C4KQJH7H · pith_short_8: ALN3KEH7

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/ALN3KEH7C4KQJH7HBC4GRCL2QY \
  | 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: 02dbb510ff1715049fe708b868897a8625715c46eb6bafeea9435dcb4e07a158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fe2cf4f5558fe7573883b5877f5d490a560ecefdc91e49b67105a25d95cc680",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-24T19:31:47Z",
    "title_canon_sha256": "3bd255e9ff90170470413cdc3815617e4009e5fc5c51a8de83a8512cbfff035d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402575",
    "kind": "arxiv",
    "version": 2
  }
}