Pith Number

pith:IRA2H45Q

pith:2022:IRA2H45QP5M62LJT6BKMYWUP5O

not attested not anchored not stored refs pending

Unsupervised Hashing with Semantic Concept Mining

Chengfei Cai, Heyan Huang, Hongfa Wang, Kevin Qinghong Lin, Rong-Cheng Tu, Wei Wei, Weize Qin, Xian-Ling Mao

arxiv:2209.11475 v1 · 2022-09-23 · cs.CV · 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{IRA2H45QP5M62LJT6BKMYWUP5O}

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	2026-07-05T05:00:21.279619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4441a3f3b07f59ed2d33f054cc5a8feb9af21fe7398e48b4c64d7d19f5fd08a4

Aliases

arxiv: 2209.11475 · arxiv_version: 2209.11475v1 · doi: 10.48550/arxiv.2209.11475 · pith_short_12: IRA2H45QP5M6 · pith_short_16: IRA2H45QP5M62LJT · pith_short_8: IRA2H45Q

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/IRA2H45QP5M62LJT6BKMYWUP5O \
  | 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: 4441a3f3b07f59ed2d33f054cc5a8feb9af21fe7398e48b4c64d7d19f5fd08a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca8099816cf5c690add87a8267363905cab3e6d22766580895b64e5a072b9b5",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-09-23T08:25:24Z",
    "title_canon_sha256": "c055e5d78f3e115bd7a9ccc3ab54c7a08d44d1df8d342e79f3835791620cd5d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.11475",
    "kind": "arxiv",
    "version": 1
  }
}