Pith Number

pith:XPKKTDSR

pith:2003:XPKKTDSRJOCH4BVZCUVJSDDUQQ

not attested not anchored not stored refs pending

The Evolution of Cluster Substructure

Claude R. Canizares, David A. Buote, Mark W. Bautz, Tesla E. Jeltema

arxiv:astro-ph/0304463 v1 · 2003-04-25 · 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{XPKKTDSRJOCH4BVZCUVJSDDUQQ}

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	2026-05-18T00:47:43.869987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbd4a98e514b847e06b9152a990c74843047569cf56fdbd6c10346f05f3ace92

Aliases

arxiv: astro-ph/0304463 · arxiv_version: astro-ph/0304463v1 · doi: 10.48550/arxiv.astro-ph/0304463 · pith_short_12: XPKKTDSRJOCH · pith_short_16: XPKKTDSRJOCH4BVZ · pith_short_8: XPKKTDSR

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/XPKKTDSRJOCH4BVZCUVJSDDUQQ \
  | 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: bbd4a98e514b847e06b9152a990c74843047569cf56fdbd6c10346f05f3ace92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8716fdaa203a8033c3883883bc6cb673785301f73e0a45eb27bb75831a2346",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-25T16:26:12Z",
    "title_canon_sha256": "2bc01d198ff8b6b550685b1154b74a4070602834097c55a81e59b4bcdb115013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304463",
    "kind": "arxiv",
    "version": 1
  }
}