Pith Number

pith:M2KRZHJK

pith:2019:M2KRZHJKOWK2XON5EPH4L42SNQ

not attested not anchored not stored refs pending

k-Means Clustering of Lines for Big Data

Dan Feldman, Yair Marom

arxiv:1903.06904 v3 · 2019-03-16 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2KRZHJKOWK2XON5EPH4L42SNQ}

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	2026-07-05T00:21:33.459237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66951c9d2a7595abb9bd23cfc5f3526c2c5d3bdef8fee74935c444cc45235153

Aliases

arxiv: 1903.06904 · arxiv_version: 1903.06904v3 · doi: 10.48550/arxiv.1903.06904 · pith_short_12: M2KRZHJKOWK2 · pith_short_16: M2KRZHJKOWK2XON5 · pith_short_8: M2KRZHJK

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/M2KRZHJKOWK2XON5EPH4L42SNQ \
  | 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: 66951c9d2a7595abb9bd23cfc5f3526c2c5d3bdef8fee74935c444cc45235153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f1c6c814e32eb58f257a4776eb23a6d02ca02b48261239d36054c0779dff47d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-03-16T10:34:52Z",
    "title_canon_sha256": "93e5593e73b99aaaedf9180ebc7cb447620abf7d70d4f4352c3e0774d66fb27f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06904",
    "kind": "arxiv",
    "version": 3
  }
}