Pith Number

pith:Z3GWLC2K

pith:2017:Z3GWLC2KQJ77CLMTIGB65IGVLO

not attested not anchored not stored refs pending

Parameterized Complexity and Approximability of Directed Odd Cycle Transversal

Daniel Lokshtanov, Meirav Zehavi, M. S. Ramanujan, Saket Saurabh

arxiv:1704.04249 v1 · 2017-04-13 · cs.DS · cs.CC · 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{Z3GWLC2KQJ77CLMTIGB65IGVLO}

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	2026-05-18T00:46:22.050208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cecd658b4a827ff12d934183eea0d55bb8737e6fbcff8c44520a411d454737e6

Aliases

arxiv: 1704.04249 · arxiv_version: 1704.04249v1 · doi: 10.48550/arxiv.1704.04249 · pith_short_12: Z3GWLC2KQJ77 · pith_short_16: Z3GWLC2KQJ77CLMT · pith_short_8: Z3GWLC2K

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/Z3GWLC2KQJ77CLMTIGB65IGVLO \
  | 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: cecd658b4a827ff12d934183eea0d55bb8737e6fbcff8c44520a411d454737e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e13ea414314bb84ba63720c35002904e597926eb503f4454e6a01176ec740d",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-13T18:27:04Z",
    "title_canon_sha256": "a20587d3c33726454608e7c659dcac50944ef402f555a29aa691900c089c86ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04249",
    "kind": "arxiv",
    "version": 1
  }
}