Pith Number

pith:KWRGAO5R

pith:2006:KWRGAO5RWT7IIHLXX2RFPGOR4J

not attested not anchored not stored refs pending

Do extragalactic cosmic rays induce cycles in fossil diversity?

Adrian L. Melott (University of Kansas), Mikhail V. Medvedev

arxiv:astro-ph/0602092 v3 · 2006-02-04 · astro-ph · physics.ao-ph · physics.geo-ph · physics.plasm-ph · q-bio.PE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWRGAO5RWT7IIHLXX2RFPGOR4J}

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	2026-07-04T15:22:18.210615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55a2603bb1b4fe841d77bea25799d1e24e4afdd36bb61e367f10a248f0be3206

Aliases

arxiv: astro-ph/0602092 · arxiv_version: astro-ph/0602092v3 · doi: 10.48550/arxiv.astro-ph/0602092 · pith_short_12: KWRGAO5RWT7I · pith_short_16: KWRGAO5RWT7IIHLX · pith_short_8: KWRGAO5R

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/KWRGAO5RWT7IIHLXX2RFPGOR4J \
  | 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: 55a2603bb1b4fe841d77bea25799d1e24e4afdd36bb61e367f10a248f0be3206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87d56be2f44a4aa1fc7109e27426e37ac36a7c12c301bebdb5135f8df35d958",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.geo-ph",
      "physics.plasm-ph",
      "q-bio.PE"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-04T08:41:11Z",
    "title_canon_sha256": "88b11d6c3f7908752911a24d7f59959fbce5dddb3eba45a202cc18592b5fbb10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602092",
    "kind": "arxiv",
    "version": 3
  }
}