Pith Number

pith:SP7WO2X2

pith:2010:SP7WO2X2PODTIMRJCDCOS2AQWK

not attested not anchored not stored refs pending

The evolution of galaxy cluster X-ray scaling relations

(2) University of Nottingham, (3) University of Durham, (4) Khon Kaen University, A. Jenkins (3), C. J. Short (1), F. R. Pearce (2), O. E. Young (1), O. Muanwong (4) ((1) University of Sussex, P. A. Thomas (1), Thailand), UK

arxiv:1002.4539 v2 · 2010-02-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP7WO2X2PODTIMRJCDCOS2AQWK}

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	2026-05-18T02:08:57.318433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ff676afa7b8734322910c4e96810b28a214f1f3e5fc2d381ca4e4e4a765ce9

Aliases

arxiv: 1002.4539 · arxiv_version: 1002.4539v2 · doi: 10.48550/arxiv.1002.4539 · pith_short_12: SP7WO2X2PODT · pith_short_16: SP7WO2X2PODTIMRJ · pith_short_8: SP7WO2X2

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/SP7WO2X2PODTIMRJCDCOS2AQWK \
  | 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: 93ff676afa7b8734322910c4e96810b28a214f1f3e5fc2d381ca4e4e4a765ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf62fd17e4e566c7899fbf22852a76823833f2a7145c61babc6cf23de691b5ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-24T15:47:27Z",
    "title_canon_sha256": "7181c85e40ca5487cf2f97bed99baea1c2c00ee342085e2589413da1a77a316f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4539",
    "kind": "arxiv",
    "version": 2
  }
}