Pith Number

pith:A45EATZR

pith:2011:A45EATZRI3BG5M5OQD2JOA7E3O

not attested not anchored not stored refs pending

4098 galaxy clusters to z~0.6 in the Sloan Digital Sky Survey equatorial Stripe 82

David N. A. Murphy (Durham), James E. Geach (McGill), Richard G. Bower (Durham)

arxiv:1101.4585 v1 · 2011-01-24 · 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{A45EATZRI3BG5M5OQD2JOA7E3O}

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	2026-05-18T02:03:22.928883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

073a404f3146c26eb3ae80f49703e4db97a53493ab6db5abb36a50e33da3da90

Aliases

arxiv: 1101.4585 · arxiv_version: 1101.4585v1 · doi: 10.48550/arxiv.1101.4585 · pith_short_12: A45EATZRI3BG · pith_short_16: A45EATZRI3BG5M5O · pith_short_8: A45EATZR

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/A45EATZRI3BG5M5OQD2JOA7E3O \
  | 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: 073a404f3146c26eb3ae80f49703e4db97a53493ab6db5abb36a50e33da3da90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c35d03d0432b0a296d4382136526ed3812f37c501df932f472bd8c68e2a5026",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-24T16:29:49Z",
    "title_canon_sha256": "b51dc018294f85ff8ee486443a7aeec51de5ba5a6c264dd21973e3505fde3568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4585",
    "kind": "arxiv",
    "version": 1
  }
}