Pith Number

pith:6EOLTXPG

pith:2013:6EOLTXPGUX3CLK5DV3IXTDMKMX

not attested not anchored not stored refs pending

Computing bounded-width tree and branch decompositions of k-outerplanar graphs

Ioannis Katsikarelis

arxiv:1301.5896 v1 · 2013-01-24 · cs.DS · 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{6EOLTXPGUX3CLK5DV3IXTDMKMX}

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	2026-05-18T03:35:37.025191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f11cb9dde6a5f625aba3aed1798d8a65d462186243dfff6e9a7c69e8b33945a4

Aliases

arxiv: 1301.5896 · arxiv_version: 1301.5896v1 · doi: 10.48550/arxiv.1301.5896 · pith_short_12: 6EOLTXPGUX3C · pith_short_16: 6EOLTXPGUX3CLK5D · pith_short_8: 6EOLTXPG

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/6EOLTXPGUX3CLK5DV3IXTDMKMX \
  | 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: f11cb9dde6a5f625aba3aed1798d8a65d462186243dfff6e9a7c69e8b33945a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c19575cbe627e2db834f95cdc5ddd2266c71a21eb2c04187128ce0a7830baf60",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-24T20:54:38Z",
    "title_canon_sha256": "8238b06df34ccc8ccab4b30c9ca01297d48f7b65b5379ed1f55cf9737b3b5d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5896",
    "kind": "arxiv",
    "version": 1
  }
}