Pith Number

pith:7WE6XEZV

pith:2013:7WE6XEZVMMALK4POU5KKYG2RVQ

not attested not anchored not stored refs pending

Speeding-up Dynamic Programming with Representative Sets - An Experimental Evaluation of Algorithms for Steiner Tree on Tree Decompositions

Hans L. Bodlaender, Jesper Nederlof, Stefan Fafianie

arxiv:1305.7448 v1 · 2013-05-31 · 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{7WE6XEZVMMALK4POU5KKYG2RVQ}

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	2026-05-18T03:22:06.913449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd89eb93356300b571eea754ac1b51ac304bac6bc13e7d02629f5af3ad087977

Aliases

arxiv: 1305.7448 · arxiv_version: 1305.7448v1 · doi: 10.48550/arxiv.1305.7448 · pith_short_12: 7WE6XEZVMMAL · pith_short_16: 7WE6XEZVMMALK4PO · pith_short_8: 7WE6XEZV

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/7WE6XEZVMMALK4POU5KKYG2RVQ \
  | 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: fd89eb93356300b571eea754ac1b51ac304bac6bc13e7d02629f5af3ad087977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c084e978b7d682cabe1c16e89a6972bf9520b2722fff4ebcceb54c5f82929387",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-05-31T15:17:38Z",
    "title_canon_sha256": "e78333ac7009b7e37571f5ae11c025c0d166c422dba69061f7b698b9ff65f659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7448",
    "kind": "arxiv",
    "version": 1
  }
}