Pith Number

pith:H526IR5R

pith:2007:H526IR5R7MQZVUCLI67XIODYKE

not attested not anchored not stored refs pending

MaxBCG: A Red Sequence Galaxy Cluster Finder

August E. Evrard, Benjamin P. Koester, David Johnston, Eduardo Rozo, Erin S. Sheldon, James Annis, Lindsey Bleem, Risa H. Wechsler, Timothy A. McKay

arxiv:astro-ph/0701268 v1 · 2007-01-09 · 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{H526IR5R7MQZVUCLI67XIODYKE}

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	2026-05-18T02:40:25.021892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f75e447b1fb219ad04b47bf7438785115ab2b29d24fa4b716af490026a6ec95

Aliases

arxiv: astro-ph/0701268 · arxiv_version: astro-ph/0701268v1 · doi: 10.48550/arxiv.astro-ph/0701268 · pith_short_12: H526IR5R7MQZ · pith_short_16: H526IR5R7MQZVUCL · pith_short_8: H526IR5R

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/H526IR5R7MQZVUCLI67XIODYKE \
  | 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: 3f75e447b1fb219ad04b47bf7438785115ab2b29d24fa4b716af490026a6ec95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ddd2aa95fe67222340938cd7fdb855b0518c70d54ee1005084420df80f48f97",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-09T21:11:52Z",
    "title_canon_sha256": "871883f4d7ac4374d6e4004ff33179d85499ef5bfaa1e088381de0bef5e160ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701268",
    "kind": "arxiv",
    "version": 1
  }
}