Pith Number

pith:CKSKTKCX

pith:2018:CKSKTKCXORKQCWNATQY4XHJEMH

not attested not anchored not stored refs pending

Parameterized Low-Rank Binary Matrix Approximation

Fahad Panolan, Fedor V. Fomin, Petr A. Golovach

arxiv:1803.06102 v1 · 2018-03-16 · cs.DS · 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{CKSKTKCXORKQCWNATQY4XHJEMH}

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	2026-05-18T00:20:50.641362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a4a9a85774550159a09c31cb9d2461c061c95b6eea7e29b2fe237f058ecb18

Aliases

arxiv: 1803.06102 · arxiv_version: 1803.06102v1 · doi: 10.48550/arxiv.1803.06102 · pith_short_12: CKSKTKCXORKQ · pith_short_16: CKSKTKCXORKQCWNA · pith_short_8: CKSKTKCX

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/CKSKTKCXORKQCWNATQY4XHJEMH \
  | 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: 12a4a9a85774550159a09c31cb9d2461c061c95b6eea7e29b2fe237f058ecb18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e079e9b7ac5c30e17f997998d525a3ba1680d89b3cb9a82dd4d18a994334dcb3",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-03-16T07:47:27Z",
    "title_canon_sha256": "579176c0ccba90d129b2fa4cac55ec6a4a8036840e0b167c686f1b6bb39ee9ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06102",
    "kind": "arxiv",
    "version": 1
  }
}