Pith Number

pith:FRX4HLFK

pith:2018:FRX4HLFKGKKID77X2MZSGEY74A

not attested not anchored not stored refs pending

Low-Rank Boolean Matrix Approximation by Integer Programming

Oktay Gunluk, Raphael Hauser, Reka Kovacs

arxiv:1803.04825 v1 · 2018-03-13 · cs.LG · cs.DM · 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{FRX4HLFKGKKID77X2MZSGEY74A}

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	2026-05-18T00:21:17.698482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6fc3acaa329481fff7d33323131fe01cd5cda9aea7907fe7d144f4b958599b

Aliases

arxiv: 1803.04825 · arxiv_version: 1803.04825v1 · doi: 10.48550/arxiv.1803.04825 · pith_short_12: FRX4HLFKGKKI · pith_short_16: FRX4HLFKGKKID77X · pith_short_8: FRX4HLFK

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/FRX4HLFKGKKID77X2MZSGEY74A \
  | 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: 2c6fc3acaa329481fff7d33323131fe01cd5cda9aea7907fe7d144f4b958599b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e89814e62021f8ab46638201e3e8eba83cefcc595b577b12bd6cc153d327990",
    "cross_cats_sorted": [
      "cs.DM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-13T14:17:00Z",
    "title_canon_sha256": "ac2ad7ca16d07ba7a9217f52bfd1ab99f3775f149234ae6c98698e7251fc17b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04825",
    "kind": "arxiv",
    "version": 1
  }
}