Pith Number

pith:E6HW56MR

pith:2012:E6HW56MRW62UHBBNQLAZZILC7G

not attested not anchored not stored refs pending

Clustering Using Isoperimetric Number of Trees

Amir Daneshgar, Basir Shariat Razavi, Ramin Javadi

arxiv:1203.4204 v1 · 2012-03-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6HW56MRW62UHBBNQLAZZILC7G}

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	2026-05-18T03:59:48.116626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

278f6ef991b7b543842d82c19ca162f9859d457fff480a82d8996a0f0b15aa30

Aliases

arxiv: 1203.4204 · arxiv_version: 1203.4204v1 · doi: 10.48550/arxiv.1203.4204 · pith_short_12: E6HW56MRW62U · pith_short_16: E6HW56MRW62UHBBN · pith_short_8: E6HW56MR

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/E6HW56MRW62UHBBNQLAZZILC7G \
  | 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: 278f6ef991b7b543842d82c19ca162f9859d457fff480a82d8996a0f0b15aa30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac59826ec1f980d66b0506c757709b7bf5ea35189a8b85659f16094be0af392",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-03-19T19:15:25Z",
    "title_canon_sha256": "18d61df1b7e481a80c0ba47eac28f75061a48008b332e62bc47eeddd59ff1799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4204",
    "kind": "arxiv",
    "version": 1
  }
}