Pith Number

pith:32XGDCOK

pith:2015:32XGDCOKTP3B3J3O2AZSDLJFEI

not attested not anchored not stored refs pending

New HSL Distance Based Colour Clustering Algorithm

Vasile Patrascu

arxiv:1505.05819 v1 · 2015-02-24 · 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{32XGDCOKTP3B3J3O2AZSDLJFEI}

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	2026-05-18T02:03:53.399931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deae6189ca9bf61da76ed03321ad25220fa4ce2a3cde83a1d81fdca9240066ba

Aliases

arxiv: 1505.05819 · arxiv_version: 1505.05819v1 · doi: 10.48550/arxiv.1505.05819 · pith_short_12: 32XGDCOKTP3B · pith_short_16: 32XGDCOKTP3B3J3O · pith_short_8: 32XGDCOK

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/32XGDCOKTP3B3J3O2AZSDLJFEI \
  | 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: deae6189ca9bf61da76ed03321ad25220fa4ce2a3cde83a1d81fdca9240066ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79fbc7fd7105073841c63fcdb8c912519307766c80f0bb2f2b842843013b7463",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-24T13:23:58Z",
    "title_canon_sha256": "b52793975fe8a69eb52b2d5102fe98323706248cbe0b5a193ec08b7988f42f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05819",
    "kind": "arxiv",
    "version": 1
  }
}