Pith Number

pith:ZS5SYORD

pith:2019:ZS5SYORD5IPEZ7KYSYJF2F2VS4

not attested not anchored not stored refs pending

Boolean matrix factorization meets consecutive ones property

Nikolaj Tatti, Pauli Miettinen

arxiv:1901.05797 v1 · 2019-01-17 · cs.DS · cs.DM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS5SYORD5IPEZ7KYSYJF2F2VS4}

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	2026-05-17T23:46:09.229480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbb2c3a23ea1e4cfd5896125d1755971e4dbc3b0a46eba325156bed7197d773

Aliases

arxiv: 1901.05797 · arxiv_version: 1901.05797v1 · doi: 10.48550/arxiv.1901.05797 · pith_short_12: ZS5SYORD5IPE · pith_short_16: ZS5SYORD5IPEZ7KY · pith_short_8: ZS5SYORD

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/ZS5SYORD5IPEZ7KYSYJF2F2VS4 \
  | 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: ccbb2c3a23ea1e4cfd5896125d1755971e4dbc3b0a46eba325156bed7197d773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8601237866a51bb0e2976ecf1a4c7882cdad301499ffa88cb6cfe309cfc9f1e8",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-17T14:16:55Z",
    "title_canon_sha256": "d67a8b2de7cfd1c2e5795bd0d996807647098818b39ef67f2590ff263c12d66e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05797",
    "kind": "arxiv",
    "version": 1
  }
}