Pith Number

pith:HB446CBH

pith:2013:HB446CBHJGEX4DDWAI3DAGASQ7

not attested not anchored not stored refs pending

Normalized Google Distance of Multisets with Applications

Andrew R. Cohen (Dept Electrical, Comput. Engin., Comput. Sci., Drexel Univ.), P.M.B. Vitanyi (CWI, Univ. Amsterdam)

arxiv:1308.3177 v1 · 2013-08-14 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HB446CBHJGEX4DDWAI3DAGASQ7}

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	2026-05-18T03:15:56.421868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3879cf082749897e0c76023630181287fe0f73fa11c9d7cd30c391b8f996256e

Aliases

arxiv: 1308.3177 · arxiv_version: 1308.3177v1 · doi: 10.48550/arxiv.1308.3177 · pith_short_12: HB446CBHJGEX · pith_short_16: HB446CBHJGEX4DDW · pith_short_8: HB446CBH

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/HB446CBHJGEX4DDWAI3DAGASQ7 \
  | 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: 3879cf082749897e0c76023630181287fe0f73fa11c9d7cd30c391b8f996256e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe768dcfbe7c8232310e2014eb8555e01ea9d221680799964a72a819c1d85d01",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-08-14T17:04:15Z",
    "title_canon_sha256": "e5877f6c5f83429a57a94c3330d6842e7e31dbdbf4fd495df278f3c4ab3c0152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3177",
    "kind": "arxiv",
    "version": 1
  }
}