Pith Number

pith:H7KMSOJD

pith:2002:H7KMSOJDIPQ3EE7XZZHCN3BIMA

not attested not anchored not stored refs pending

ULIRGs: Origin and Evolution

CSIC), I. Marquez, J. Maegosa (Instituto de Astrofisica de Andalucia

arxiv:astro-ph/0203398 v1 · 2002-03-22 · 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{H7KMSOJDIPQ3EE7XZZHCN3BIMA}

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	2026-05-18T01:07:45.014250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd4c9392343e1b213f7ce4e26ec28600b60b191630836e1125a3b4ebee400bc

Aliases

arxiv: astro-ph/0203398 · arxiv_version: astro-ph/0203398v1 · doi: 10.48550/arxiv.astro-ph/0203398 · pith_short_12: H7KMSOJDIPQ3 · pith_short_16: H7KMSOJDIPQ3EE7X · pith_short_8: H7KMSOJD

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/H7KMSOJDIPQ3EE7XZZHCN3BIMA \
  | 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: 3fd4c9392343e1b213f7ce4e26ec28600b60b191630836e1125a3b4ebee400bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0341c50d254d405faead98563bb259f5c9fd1e7075353255c9fec53c2d4d38f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-22T13:02:43Z",
    "title_canon_sha256": "50251354ac42e2ef96fbce1b544dcfdbfd75937d6cc8a9e82f0ec84f7e82d53b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203398",
    "kind": "arxiv",
    "version": 1
  }
}