Pith Number

pith:4KKLCFC7

pith:2013:4KKLCFC742HHCGYUPJILVHCNOV

not attested not anchored not stored refs pending

Fast Exact Search in Hamming Space with Multi-Index Hashing

Ali Punjani, David J. Fleet, Mohammad Norouzi

arxiv:1307.2982 v3 · 2013-07-11 · cs.CV · cs.AI · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KKLCFC742HHCGYUPJILVHCNOV}

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	2026-05-18T02:53:17.504762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e294b1145fe68e711b147a50ba9c4d756d5046724285c688e21ea5270158954b

Aliases

arxiv: 1307.2982 · arxiv_version: 1307.2982v3 · doi: 10.48550/arxiv.1307.2982 · pith_short_12: 4KKLCFC742HH · pith_short_16: 4KKLCFC742HHCGYU · pith_short_8: 4KKLCFC7

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/4KKLCFC742HHCGYUPJILVHCNOV \
  | 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: e294b1145fe68e711b147a50ba9c4d756d5046724285c688e21ea5270158954b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e78eb711239aa1352e2f4c261e49c57ba521512ad0e0abcae31b74d27838e45",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-07-11T05:52:21Z",
    "title_canon_sha256": "084e44bdbcb529fc1fb4a7f52efaae1d11bb01d320a22ea83192b4a999380a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2982",
    "kind": "arxiv",
    "version": 3
  }
}