Pith Number

pith:X5XAP4NA

pith:2007:X5XAP4NAWRVR6MAC4YMK2OCRCR

not attested not anchored not stored refs pending

A Catalog of Galaxy Clusters Observed by XMM-Newton

D. S. Davis, K. D. Kuntz, R. M. Mushotzky, S. L. Snowden

arxiv:0710.2241 v1 · 2007-10-11 · 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{X5XAP4NAWRVR6MAC4YMK2OCRCR}

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	2026-07-04T17:06:07.010387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf6e07f1a0b46b1f3002e618ad3851146b21e6e3c15b4429f31371ae3ce797cc

Aliases

arxiv: 0710.2241 · arxiv_version: 0710.2241v1 · doi: 10.48550/arxiv.0710.2241 · pith_short_12: X5XAP4NAWRVR · pith_short_16: X5XAP4NAWRVR6MAC · pith_short_8: X5XAP4NA

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/X5XAP4NAWRVR6MAC4YMK2OCRCR \
  | 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: bf6e07f1a0b46b1f3002e618ad3851146b21e6e3c15b4429f31371ae3ce797cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21821ae3c229d630738c74229988953e0c02d76b92bf37ebdd764f4972893eaf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-11T13:08:02Z",
    "title_canon_sha256": "7021b07bec1ff85c91a0b688a6b0e6b1fc21622911b9993256da37f3b5c81b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.2241",
    "kind": "arxiv",
    "version": 1
  }
}