Pith Number

pith:GTOBK4OK

pith:2010:GTOBK4OKDE4DUZMJEQISM7KC4F

not attested not anchored not stored refs pending

Measuring Similarity of Graphs and their Nodes by Neighbor Matching

Mladen Nikolic

arxiv:1009.5290 v1 · 2010-09-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTOBK4OKDE4DUZMJEQISM7KC4F}

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	2026-05-18T04:40:18.898035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34dc1571ca19383a65892411267d42e14933195d44620f1758e9606c24a03cbd

Aliases

arxiv: 1009.5290 · arxiv_version: 1009.5290v1 · doi: 10.48550/arxiv.1009.5290 · pith_short_12: GTOBK4OKDE4D · pith_short_16: GTOBK4OKDE4DUZMJ · pith_short_8: GTOBK4OK

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/GTOBK4OKDE4DUZMJEQISM7KC4F \
  | 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: 34dc1571ca19383a65892411267d42e14933195d44620f1758e9606c24a03cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5ee85620d74fd74327b7a82b9d1107fac7dbfbfe83b9542084d59d49bd90019",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-09-27T15:31:54Z",
    "title_canon_sha256": "1f6965a48bff4175e8da242f9372fed748566f12cd905327aea01350d92b4b05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5290",
    "kind": "arxiv",
    "version": 1
  }
}