Pith Number

pith:PCBV2TC7

pith:2017:PCBV2TC7L7QCTSXUTCCN65Y43J

not attested not anchored not stored refs pending

Goal Clustering: VNS based heuristics

Pedro Martins

arxiv:1705.07666 v4 · 2017-05-22 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCBV2TC7L7QCTSXUTCCN65Y43J}

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	2026-05-18T00:34:37.150432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78835d4c5f5fe029caf49884df771cda7c1360dbb34c3a5e01a2afcf90a0d885

Aliases

arxiv: 1705.07666 · arxiv_version: 1705.07666v4 · doi: 10.48550/arxiv.1705.07666 · pith_short_12: PCBV2TC7L7QC · pith_short_16: PCBV2TC7L7QCTSXU · pith_short_8: PCBV2TC7

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/PCBV2TC7L7QCTSXUTCCN65Y43J \
  | 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: 78835d4c5f5fe029caf49884df771cda7c1360dbb34c3a5e01a2afcf90a0d885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16da5e6f08ba8d4e60fa39314d3b4a7c17aaa853202b981120693a65d6149d0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-05-22T11:13:12Z",
    "title_canon_sha256": "fc13b9ce4d0d898ef03cf8b595118e1987dd1db3e671ea3877bf8cbdc2c975c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07666",
    "kind": "arxiv",
    "version": 4
  }
}