Pith Number

pith:K2RXIM4I

pith:2012:K2RXIM4IDX27YOAV7MMHMLVC3F

not attested not anchored not stored refs pending

The Complexity of Planning Revisited - A Parameterized Analysis

Christer Baeckstroem, Peter Jonsson, Sebastian Ordyniak, Stefan Szeider, Yue Chen

arxiv:1208.2566 v1 · 2012-08-13 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2RXIM4IDX27YOAV7MMHMLVC3F}

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	2026-05-18T03:48:57.554364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a37433881df5fc3815fb18762ea2d97ce5ba156f88524c954122fc2c7f289e

Aliases

arxiv: 1208.2566 · arxiv_version: 1208.2566v1 · doi: 10.48550/arxiv.1208.2566 · pith_short_12: K2RXIM4IDX27 · pith_short_16: K2RXIM4IDX27YOAV · pith_short_8: K2RXIM4I

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/K2RXIM4IDX27YOAV7MMHMLVC3F \
  | 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: 56a37433881df5fc3815fb18762ea2d97ce5ba156f88524c954122fc2c7f289e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f1031e13c38f3e549478da18905ecd6ce67c110a5aa3077fd2f09a758deca9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-08-13T12:40:44Z",
    "title_canon_sha256": "0e5d745a4fd16d004775225b9d3343458f154a3fca8229ad3ca4f2a6994ca234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2566",
    "kind": "arxiv",
    "version": 1
  }
}