Pith Number

pith:AVXOQIP5

pith:2001:AVXOQIP5P4UT5UIUQIYZIGF5WF

not attested not anchored not stored refs pending

Tracing Cosmic Evolution with an XMM Serendipitous Cluster Survey

A. K. Romer, A.R. Liddle, C.A. Collins, P.T.P. Viana, R.C. Nichol, R.G. Mann

arxiv:astro-ph/0111131 v1 · 2001-11-06 · 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{AVXOQIP5P4UT5UIUQIYZIGF5WF}

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	2026-07-04T14:11:37.765594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

056ee821fd7f293ed11482319418bdb177102e3f18fe7c661de03f85a286930a

Aliases

arxiv: astro-ph/0111131 · arxiv_version: astro-ph/0111131v1 · doi: 10.48550/arxiv.astro-ph/0111131 · pith_short_12: AVXOQIP5P4UT · pith_short_16: AVXOQIP5P4UT5UIU · pith_short_8: AVXOQIP5

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/AVXOQIP5P4UT5UIUQIYZIGF5WF \
  | 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: 056ee821fd7f293ed11482319418bdb177102e3f18fe7c661de03f85a286930a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c2f58241ef41658e6c0984e37db04f9df627f1704665f79e5b845c8c8ba591b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-06T22:30:25Z",
    "title_canon_sha256": "0729cd6f09d6b6f4b85b2c4a00f9446fd9fba5f97ce2b4ae18eb9c30ba0d3eda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111131",
    "kind": "arxiv",
    "version": 1
  }
}