Pith Number

pith:FYJKHSUC

pith:2006:FYJKHSUC4ZZWQCYTK4JQNQSXZT

not attested not anchored not stored refs pending

Abell 2111: An Optical and Radio Study of the Richest Butcher-Oemler Cluster

John Hill, Neal A. Miller, William Oegerle

arxiv:astro-ph/0602080 v1 · 2006-02-03 · 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{FYJKHSUC4ZZWQCYTK4JQNQSXZT}

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	2026-07-04T16:57:55.300216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e12a3ca82e673680b13571306c257cce90cda57d6638e56e04c5be96748afa6

Aliases

arxiv: astro-ph/0602080 · arxiv_version: astro-ph/0602080v1 · doi: 10.48550/arxiv.astro-ph/0602080 · pith_short_12: FYJKHSUC4ZZW · pith_short_16: FYJKHSUC4ZZWQCYT · pith_short_8: FYJKHSUC

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/FYJKHSUC4ZZWQCYTK4JQNQSXZT \
  | 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: 2e12a3ca82e673680b13571306c257cce90cda57d6638e56e04c5be96748afa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5e3a152b3b724c2077397c0737c5040b78f6ae1ca193b8431ae98aa0678933e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-03T15:55:23Z",
    "title_canon_sha256": "08d3a7f89d1da9dfac8c868cdd72d6a6a8427d96caf7cb65eaf6e110c2eb5510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602080",
    "kind": "arxiv",
    "version": 1
  }
}