Pith Number

pith:XTUSDNHH

pith:2011:XTUSDNHHCKP5QMLODP62VN7OOI

not attested not anchored not stored refs pending

A Fuzzy View on k-Means Based Signal Quantization with Application in Iris Segmentation

Nicolaie Popescu-Bodorin

arxiv:1107.2693 v1 · 2011-07-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTUSDNHHCKP5QMLODP62VN7OOI}

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	2026-05-18T04:18:15.815702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce921b4e7129fd8316e1bfdaab7ee721d07ad98461b6ab72e866b1bba1d573d

Aliases

arxiv: 1107.2693 · arxiv_version: 1107.2693v1 · doi: 10.48550/arxiv.1107.2693 · pith_short_12: XTUSDNHHCKP5 · pith_short_16: XTUSDNHHCKP5QMLO · pith_short_8: XTUSDNHH

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/XTUSDNHHCKP5QMLODP62VN7OOI \
  | 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: bce921b4e7129fd8316e1bfdaab7ee721d07ad98461b6ab72e866b1bba1d573d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cdfdc1d33985b4296e83b4746f1fc304b384e33d010a153c57806d3ca332631",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-07-13T22:46:58Z",
    "title_canon_sha256": "20d04401988c85db1e6918b8f61d7099246178aa0162714bec6fb92b7c63e3f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2693",
    "kind": "arxiv",
    "version": 1
  }
}