Pith Number

pith:IKPSQSTH

pith:2012:IKPSQSTHFXO3HE2S5DLBJMX2ES

not attested not anchored not stored refs pending

Graph Operations on Parity Games and Polynomial-Time Algorithms

Alexandru I. Tomescu, Christoph Dittmann, Stephan Kreutzer

arxiv:1208.1640 v1 · 2012-08-08 · cs.GT · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKPSQSTHFXO3HE2S5DLBJMX2ES}

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	2026-05-18T02:21:01.414958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429f284a672dddb39352e8d614b2fa24a6dc2455808d88f2b37e906eb9dc63fb

Aliases

arxiv: 1208.1640 · arxiv_version: 1208.1640v1 · doi: 10.48550/arxiv.1208.1640 · pith_short_12: IKPSQSTHFXO3 · pith_short_16: IKPSQSTHFXO3HE2S · pith_short_8: IKPSQSTH

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/IKPSQSTHFXO3HE2S5DLBJMX2ES \
  | 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: 429f284a672dddb39352e8d614b2fa24a6dc2455808d88f2b37e906eb9dc63fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48cfb5180d839e855896e4fddd23f966b50b1dc026f245e4e72ff3bbc0154c38",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-08-08T11:04:55Z",
    "title_canon_sha256": "b4be8746c0881c813ea60667dfe1212a1a54dfe0923fd2d9c64c0a56a5a19c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1640",
    "kind": "arxiv",
    "version": 1
  }
}