Pith Number

pith:NVH6O2C2

pith:2006:NVH6O2C2ADDXYCJURJ4RQDBCBD

not attested not anchored not stored refs pending

ChaMP Serendipitous Galaxy Cluster Survey

A. Mossman, A. Vikhlinin, B. J. Wilkes, B. T. Jannuzi, D. Perley, D.-W. Kim, H. Tananbaum, J. Silverman, M. G. Smith, M. Kim, P. J. Green, R. Burenin, R. Cameron, R. C. Smith, W. A. Barkhouse

arxiv:astro-ph/0603521 v1 · 2006-03-20 · 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{NVH6O2C2ADDXYCJURJ4RQDBCBD}

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	2026-07-04T16:58:27.922099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d4fe7685a00c77c09348a79180c2208f6b765189c28804512d61674c4f2520a

Aliases

arxiv: astro-ph/0603521 · arxiv_version: astro-ph/0603521v1 · doi: 10.48550/arxiv.astro-ph/0603521 · pith_short_12: NVH6O2C2ADDX · pith_short_16: NVH6O2C2ADDXYCJU · pith_short_8: NVH6O2C2

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/NVH6O2C2ADDXYCJURJ4RQDBCBD \
  | 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: 6d4fe7685a00c77c09348a79180c2208f6b765189c28804512d61674c4f2520a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e69f9d9a53a22bd52b8ceb09276889488f948d06f7432398c6b66063bf8813de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-20T08:59:25Z",
    "title_canon_sha256": "50c3b17628e24eaa1547549b834e451be78cae37b59db0dd7abf91def47dc0df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603521",
    "kind": "arxiv",
    "version": 1
  }
}