Pith Number

pith:4NMQVEHS

pith:2019:4NMQVEHS3X3MM3REKPUD3I2TOR

not attested not anchored not stored refs pending

Simultaneous Clustering and Optimization for Evolving Datasets

Chang Tang, Deke Guo, En Zhu, Jianping Yin, Xinwang Liu, Yawei Zhao

arxiv:1908.01384 v1 · 2019-08-04 · cs.LG · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NMQVEHS3X3MM3REKPUD3I2TOR}

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	2026-07-04T23:51:29.878614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3590a90f2ddf6c66e2453e83da35374699b37954025d7bef2094ff4e03281c2

Aliases

arxiv: 1908.01384 · arxiv_version: 1908.01384v1 · doi: 10.48550/arxiv.1908.01384 · pith_short_12: 4NMQVEHS3X3M · pith_short_16: 4NMQVEHS3X3MM3RE · pith_short_8: 4NMQVEHS

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/4NMQVEHS3X3MM3REKPUD3I2TOR \
  | 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: e3590a90f2ddf6c66e2453e83da35374699b37954025d7bef2094ff4e03281c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ec9512cc1bdc8dbbb2768ff70366f9f9b35441d51545e3b1702af175d3de9e",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-04T18:45:42Z",
    "title_canon_sha256": "d8eba20f09c0c66d2701807034847da8eea1f1dc3534899586271ee0ce20817d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01384",
    "kind": "arxiv",
    "version": 1
  }
}