Pith Number

pith:EVNBUATF

pith:2011:EVNBUATFAP5R5MYWGPNXOOS77Y

not attested not anchored not stored refs pending

Friends-of-Friends Groups and Clusters in the 2SLAQ Catalogue

C. Blake, C. Sabiu, E.S. Cypriano, F.B. Abdalla, S. Farrens

arxiv:1106.5687 v1 · 2011-06-28 · 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{EVNBUATFAP5R5MYWGPNXOOS77Y}

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	2026-05-18T02:01:29.836040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

255a1a026503fb1eb31633db773a5ffe325b4c2a9e083ccac9e1876fe1d7f9ce

Aliases

arxiv: 1106.5687 · arxiv_version: 1106.5687v1 · doi: 10.48550/arxiv.1106.5687 · pith_short_12: EVNBUATFAP5R · pith_short_16: EVNBUATFAP5R5MYW · pith_short_8: EVNBUATF

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/EVNBUATFAP5R5MYWGPNXOOS77Y \
  | 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: 255a1a026503fb1eb31633db773a5ffe325b4c2a9e083ccac9e1876fe1d7f9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460882fe9f450a9926562e55fe8e76d2d5546a97542a8cd2d239fae2988ec08a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-28T14:47:40Z",
    "title_canon_sha256": "6ba839e8e7434aead058e1c456a1d31568601b573bdfbd77f2593484d6946338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5687",
    "kind": "arxiv",
    "version": 1
  }
}