Pith Number

pith:A3R63UQZ

pith:2011:A3R63UQZQIFIXAM2PIIYRSGQTP

not attested not anchored not stored refs pending

On the Treewidth of Dynamic Graphs

Bernard Mans, Luke Mathieson

arxiv:1112.2795 v2 · 2011-12-13 · cs.CC · cs.DM · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3R63UQZQIFIXAM2PIIYRSGQTP}

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	2026-05-18T03:55:00.254529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e3edd219820a8b819a7a1188c8d09bd7d7264cd7af95011cbcacb7e11466e8

Aliases

arxiv: 1112.2795 · arxiv_version: 1112.2795v2 · doi: 10.48550/arxiv.1112.2795 · pith_short_12: A3R63UQZQIFI · pith_short_16: A3R63UQZQIFIXAM2 · pith_short_8: A3R63UQZ

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/A3R63UQZQIFIXAM2PIIYRSGQTP \
  | 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: 06e3edd219820a8b819a7a1188c8d09bd7d7264cd7af95011cbcacb7e11466e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae26227c21eb3e2997b3b13cbcfdc9571c25ce3eff217c31093daff1c0eb4d92",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-12-13T05:13:24Z",
    "title_canon_sha256": "5ace01708d5e0f79ef96ce5d8827f57673e76367411ab82300afa5a62ec019bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2795",
    "kind": "arxiv",
    "version": 2
  }
}