Pith Number

pith:JJDFPELW

pith:2021:JJDFPELWDJPNV5QUURCNJ46STH

not attested not anchored not stored refs pending

An Unsupervised Deep-Learning Method for Fingerprint Classification: the CCAE Network and the Hybrid Clustering Strategy

Chi-Chun Zhou, Jian-Hu, Yao-Shen, Yue-Jie Hou, Zai-Xin Xie

arxiv:2109.05526 v1 · 2021-09-12 · cs.CV · cs.AI · cs.LG

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

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\usepackage{pith}
\pithnumber{JJDFPELWDJPNV5QUURCNJ46STH}

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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.

Cited by

1 paper in Pith

An efficient unsupervised classification model for galaxy morphology: Voting clustering based on coding from ConvNeXt large model

Receipt and verification

First computed	2026-07-05T03:13:39.924830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a465791761a5edaf614a444d4f3d299d94e5ba4de20ed550be649644dd9549b

Aliases

arxiv: 2109.05526 · arxiv_version: 2109.05526v1 · doi: 10.48550/arxiv.2109.05526 · pith_short_12: JJDFPELWDJPN · pith_short_16: JJDFPELWDJPNV5QU · pith_short_8: JJDFPELW

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/JJDFPELWDJPNV5QUURCNJ46STH \
  | 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: 4a465791761a5edaf614a444d4f3d299d94e5ba4de20ed550be649644dd9549b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec2a5dc8462e7ab44f32ebac0e2e49ba1e80031fe35e3f5532ae9ac3d3d6e8a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-12T14:35:59Z",
    "title_canon_sha256": "d0c0f662e5a0b9e2681ff3a0948d616813e7b9257ea6d9bfe767cf37b824935f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05526",
    "kind": "arxiv",
    "version": 1
  }
}