Pith Number

pith:ZFCQU76L

pith:2004:ZFCQU76LPR3TRGEH4PBMBN6PXZ

not attested not anchored not stored refs pending

The Evolutionary Status of Clusters of Galaxies at z ~ 1

B.P. Holden, G. Illingworth, H. Ford, J.P. Blakeslee, M.J. Jee, M. Postman, N. Homeier, P. Rosati, R. Demarco, R.L. White

arxiv:astro-ph/0408165 v1 · 2004-08-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFCQU76LPR3TRGEH4PBMBN6PXZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:21:50.109487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9450a7fcb7c77389887e3c2c0b7cfbe443e0db3a585f259ed74706a344afaa5

Aliases

arxiv: astro-ph/0408165 · arxiv_version: astro-ph/0408165v1 · doi: 10.48550/arxiv.astro-ph/0408165 · pith_short_12: ZFCQU76LPR3T · pith_short_16: ZFCQU76LPR3TRGEH · pith_short_8: ZFCQU76L

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/ZFCQU76LPR3TRGEH4PBMBN6PXZ \
  | 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: c9450a7fcb7c77389887e3c2c0b7cfbe443e0db3a585f259ed74706a344afaa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be167743ee9ff42e677f7bd847973756a881005ba91e329bdf189efcad542351",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-09T21:45:34Z",
    "title_canon_sha256": "44612d96053f1bde02e300f740437efceff43618343fda58f276694a80a4769f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408165",
    "kind": "arxiv",
    "version": 1
  }
}