Pith Number

pith:US2TOKB4

pith:2017:US2TOKB4ULKG6C6V2XFJLTT2G7

not attested not anchored not stored refs pending

When Do Birds of a Feather Flock Together? k-Means, Proximity, and Conic Programming

Ke Wei, Shuyang Ling, Thomas Strohmer, Xiaodong Li, Yang Li

arxiv:1710.06008 v3 · 2017-10-16 · math.OC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{US2TOKB4ULKG6C6V2XFJLTT2G7}

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	2026-05-18T00:10:11.244881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b537283ca2d46f0bd5d5ca95ce7a37caa309ccd704ab020cff997f18fb26d3

Aliases

arxiv: 1710.06008 · arxiv_version: 1710.06008v3 · doi: 10.48550/arxiv.1710.06008 · pith_short_12: US2TOKB4ULKG · pith_short_16: US2TOKB4ULKG6C6V · pith_short_8: US2TOKB4

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/US2TOKB4ULKG6C6V2XFJLTT2G7 \
  | 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: a4b537283ca2d46f0bd5d5ca95ce7a37caa309ccd704ab020cff997f18fb26d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ec10389be7c67f6a0ebf4523ee36e0bcaccab0be231f8857df2f35ddd9aab88",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-16T22:10:29Z",
    "title_canon_sha256": "f2271a73b3781d6a315bb44babb9f5f461b4becb229ce90c048d5affd0a72145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06008",
    "kind": "arxiv",
    "version": 3
  }
}