Pith Number

pith:DYGIAY53

pith:2010:DYGIAY534SNAYNPVC3DVLSQ2E4

not attested not anchored not stored refs pending

Systems of Linear Equations over $\mathbb{F}_2$ and Problems Parameterized Above Average

E.J. Kim, G. Gutin, I.Z. Ruzsa, M. Jones, R. Crowston

arxiv:1002.0286 v2 · 2010-02-01 · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYGIAY534SNAYNPVC3DVLSQ2E4}

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	2026-05-18T02:09:21.419156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0c8063bbe49a0c35f516c755ca1a2725acd3070fbe9a4e7e319e9fea403dd1

Aliases

arxiv: 1002.0286 · arxiv_version: 1002.0286v2 · doi: 10.48550/arxiv.1002.0286 · pith_short_12: DYGIAY534SNA · pith_short_16: DYGIAY534SNAYNPV · pith_short_8: DYGIAY53

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/DYGIAY534SNAYNPVC3DVLSQ2E4 \
  | 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: 1e0c8063bbe49a0c35f516c755ca1a2725acd3070fbe9a4e7e319e9fea403dd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa0e4e01f43396c3c6c06281c96c5b870f4a9af47725f712ad96aec327b6715",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-02-01T16:49:29Z",
    "title_canon_sha256": "b5b0119004c0e209a8b66a5e34c5f2293f85a8020a6bcd31fc9a9cd10bc6a85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0286",
    "kind": "arxiv",
    "version": 2
  }
}