Pith Number

pith:Q6WSDTQI

pith:2025:Q6WSDTQIX5US5KZ7MVTC2NMMLP

not attested not anchored not stored refs pending

PyClustrPath: An efficient Python package for generating clustering paths with GPU acceleration

Hongfei Wu, Yancheng Yuan

arxiv:2501.15964 v1 · 2025-01-27 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6WSDTQIX5US5KZ7MVTC2NMMLP}

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	2026-07-05T10:05:52.866998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ad21ce08bf692eab3f65662d358c5bf3032c93d59717fcb550c0cf7b238cc4

Aliases

arxiv: 2501.15964 · arxiv_version: 2501.15964v1 · doi: 10.48550/arxiv.2501.15964 · pith_short_12: Q6WSDTQIX5US · pith_short_16: Q6WSDTQIX5US5KZ7 · pith_short_8: Q6WSDTQI

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/Q6WSDTQIX5US5KZ7MVTC2NMMLP \
  | 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: 87ad21ce08bf692eab3f65662d358c5bf3032c93d59717fcb550c0cf7b238cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650f4b29fd053666c9dbd1481025e93ddfc0bd494c9d02eaf907506b52f76c8b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-01-27T11:14:06Z",
    "title_canon_sha256": "481c48ddd284d379a8f274cce332b7fc15b3c15da3ee238f536159ffe3a21e9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15964",
    "kind": "arxiv",
    "version": 1
  }
}