Pith Number

pith:2XBJMFKF

pith:2023:2XBJMFKF6DHG4CPLKMUJFQRH66

not attested not anchored not stored refs pending

Unsupervised Hashing with Similarity Distribution Calibration

Chee Seng Chan, Jiun Tian Hoe, Kam Woh Ng, Tao Xiang, Tianyu Zhang, Xiatian Zhu, Yi-Zhe Song

arxiv:2302.07669 v2 · 2023-02-15 · 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{2XBJMFKF6DHG4CPLKMUJFQRH66}

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	2026-07-05T06:46:31.115770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5c2961545f0ce6e09eb532892c227f78de836b9f93ddda45c57b8e2810cd570

Aliases

arxiv: 2302.07669 · arxiv_version: 2302.07669v2 · doi: 10.48550/arxiv.2302.07669 · pith_short_12: 2XBJMFKF6DHG · pith_short_16: 2XBJMFKF6DHG4CPL · pith_short_8: 2XBJMFKF

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/2XBJMFKF6DHG4CPLKMUJFQRH66 \
  | 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: d5c2961545f0ce6e09eb532892c227f78de836b9f93ddda45c57b8e2810cd570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2751e97f56a6d713a548d6e7229391aad6c04b5a9942c734d3cf88dd74c0113e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-02-15T14:06:39Z",
    "title_canon_sha256": "2d0c5130279a911d57e9be84f49b5351f290ef2c8b94bd78ef97bc03bfc4e9be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.07669",
    "kind": "arxiv",
    "version": 2
  }
}