Pith Number

pith:3WPIYEBR

pith:2010:3WPIYEBR7F6IS3QI74M3I6DRCO

not attested not anchored not stored refs pending

An Optical Catalog of Galaxy Clusters Obtained from an Adaptive Matched Filter Finder Applied to SDSS DR6

Antonio Pipino, Elena Pierpaoli, Feng Dong, James E. Gunn, Thad Szabo

arxiv:1011.0249 v2 · 2010-11-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WPIYEBR7F6IS3QI74M3I6DRCO}

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	2026-05-18T04:18:34.662412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9e8c1031f97c896e08ff19b4787113bd0741ebde9e9e30f142261ce012c0e9

Aliases

arxiv: 1011.0249 · arxiv_version: 1011.0249v2 · doi: 10.48550/arxiv.1011.0249 · pith_short_12: 3WPIYEBR7F6I · pith_short_16: 3WPIYEBR7F6IS3QI · pith_short_8: 3WPIYEBR

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/3WPIYEBR7F6IS3QI74M3I6DRCO \
  | 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: dd9e8c1031f97c896e08ff19b4787113bd0741ebde9e9e30f142261ce012c0e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28f9561d9a2fe7dadeb591cd91ba04550b36c2bbd272a530b506d2c97c17b9c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-01T04:40:41Z",
    "title_canon_sha256": "1dcb1fc82c7899e971f63bb7f3889fc8003144767ebd937c3541bbf44616dddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0249",
    "kind": "arxiv",
    "version": 2
  }
}