Pith Number

pith:CFEQ4PO2

pith:2018:CFEQ4PO2L7UBRZ4AYNR5BQE5JR

not attested not anchored not stored refs pending

Hierarchical One Permutation Hashing: Efficient Multimedia Near Duplicate Detection

Chengyuan Zhang, Fang Huang, Jun Long, Lei Zhu, Xinpan Yuan, Yunwu Lin

arxiv:1805.11254 v2 · 2018-05-29 · cs.MM · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFEQ4PO2L7UBRZ4AYNR5BQE5JR}

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	2026-05-18T00:08:02.843423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11490e3dda5fe818e780c363d0c09d4c51c52bd34c65a08e2dbc40a05c577dca

Aliases

arxiv: 1805.11254 · arxiv_version: 1805.11254v2 · doi: 10.48550/arxiv.1805.11254 · pith_short_12: CFEQ4PO2L7UB · pith_short_16: CFEQ4PO2L7UBRZ4A · pith_short_8: CFEQ4PO2

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/CFEQ4PO2L7UBRZ4AYNR5BQE5JR \
  | 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: 11490e3dda5fe818e780c363d0c09d4c51c52bd34c65a08e2dbc40a05c577dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed093814853c854ecbf5cb54a9bdc704328052bf277e8b2b56ddedd9493ad404",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-05-29T05:48:14Z",
    "title_canon_sha256": "5930fa5507e384ec56b17f9e6e1c76513460fcffcafb1e37bdcfcbba2dd2d0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11254",
    "kind": "arxiv",
    "version": 2
  }
}