Pith Number

pith:TCPY3ARW

pith:2005:TCPY3ARWPALJSPO3ACRKB7P7ES

not attested not anchored not stored refs pending

Two Clusters with Radio-quiet Cooling Cores

Christopher P. O'Dea, G. Mark Voit, Megan Donahue, Stefi A. Baum, William B. Sparks

arxiv:astro-ph/0508587 v1 · 2005-08-26 · 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{TCPY3ARWPALJSPO3ACRKB7P7ES}

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	2026-07-04T16:52:50.244895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

989f8d82367816993ddb00a2a0fdff2499c608a5b9e5ade46cb27264d123aa4c

Aliases

arxiv: astro-ph/0508587 · arxiv_version: astro-ph/0508587v1 · doi: 10.48550/arxiv.astro-ph/0508587 · pith_short_12: TCPY3ARWPALJ · pith_short_16: TCPY3ARWPALJSPO3 · pith_short_8: TCPY3ARW

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/TCPY3ARWPALJSPO3ACRKB7P7ES \
  | 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: 989f8d82367816993ddb00a2a0fdff2499c608a5b9e5ade46cb27264d123aa4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d6db782c3febb1b63030a529df7d557110ec6c17774b7472b087d916257852",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-26T19:00:26Z",
    "title_canon_sha256": "6989caadd347acfde6a30fd6712ce07ec9f27d49b890f0bafcbf9e79cc7cbc01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508587",
    "kind": "arxiv",
    "version": 1
  }
}