Pith Number

pith:MWPAVIX7

pith:2002:MWPAVIX7U5WXGGMYMJ5TP6YTQP

not attested not anchored not stored refs pending

Luminous infrared galaxies as possible sources of the UHE cosmic rays

A. Smialkowski, Division of Experimental Physics, Lodz, M. Giller, Poland), W. Michalak (University of Lodz

arxiv:astro-ph/0203337 v1 · 2002-03-20 · 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{MWPAVIX7U5WXGGMYMJ5TP6YTQP}

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	2026-07-04T15:20:08.546098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659e0aa2ffa76d731998627b37fb1383fbe7aff9b9ddcd3d6d30807e82d8e4ff

Aliases

arxiv: astro-ph/0203337 · arxiv_version: astro-ph/0203337v1 · doi: 10.48550/arxiv.astro-ph/0203337 · pith_short_12: MWPAVIX7U5WX · pith_short_16: MWPAVIX7U5WXGGMY · pith_short_8: MWPAVIX7

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/MWPAVIX7U5WXGGMYMJ5TP6YTQP \
  | 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: 659e0aa2ffa76d731998627b37fb1383fbe7aff9b9ddcd3d6d30807e82d8e4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138cc85fa9e1c3c076d7f89ef0749430df246ee4a9188048babe52eaade283d7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-20T13:32:02Z",
    "title_canon_sha256": "5b93b946db5877967cacd96ecb2f9f3323acfd91d0f373abb41fd261c54f5ec2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203337",
    "kind": "arxiv",
    "version": 1
  }
}