Pith Number

pith:AF7DYXBD

pith:2015:AF7DYXBDJDIHK2PEEZTWZRPD75

not attested not anchored not stored refs pending

Identifying collusion groups using spectral clustering

Kandathil Mathew Abraham, Subir Kumar Ghosh, Suneel Sarswat

arxiv:1509.06457 v2 · 2015-09-22 · q-fin.TR · cs.CE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AF7DYXBDJDIHK2PEEZTWZRPD75}

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	2026-05-18T01:02:13.704154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017e3c5c2348d07569e426676cc5e3ff5ecf17a44f466c4692ae4b861ba87952

Aliases

arxiv: 1509.06457 · arxiv_version: 1509.06457v2 · doi: 10.48550/arxiv.1509.06457 · pith_short_12: AF7DYXBDJDIH · pith_short_16: AF7DYXBDJDIHK2PE · pith_short_8: AF7DYXBD

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/AF7DYXBDJDIHK2PEEZTWZRPD75 \
  | 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: 017e3c5c2348d07569e426676cc5e3ff5ecf17a44f466c4692ae4b861ba87952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1afc302f70a7124ef99fb33e8f49755d8f7099538c7531a4a1726835c577b67",
    "cross_cats_sorted": [
      "cs.CE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2015-09-22T04:03:18Z",
    "title_canon_sha256": "4321125b7e7dbb999fb09de1894b12efd27c6c252b2f8bfe0f7cc641f0ad94ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06457",
    "kind": "arxiv",
    "version": 2
  }
}