Pith Number

pith:J5SUN52F

pith:2013:J5SUN52FMUUOLMO3Z2UUCXAAFR

not attested not anchored not stored refs pending

Algorithmic Aspects of Switch Cographs

Fabien de Montgolfier, Michel Habib, Vincent Cohen-Addad

arxiv:1310.1012 v1 · 2013-10-03 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5SUN52FMUUOLMO3Z2UUCXAAFR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:11:24.759984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f6546f7456528e5b1dbcea9415c002c7da01f4746a83579f7ceb9c3657e752b

Aliases

arxiv: 1310.1012 · arxiv_version: 1310.1012v1 · doi: 10.48550/arxiv.1310.1012 · pith_short_12: J5SUN52FMUUO · pith_short_16: J5SUN52FMUUOLMO3 · pith_short_8: J5SUN52F

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/J5SUN52FMUUOLMO3Z2UUCXAAFR \
  | 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: 4f6546f7456528e5b1dbcea9415c002c7da01f4746a83579f7ceb9c3657e752b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba0fd4321f89f673194ec5386527d9a42904f5d3e5bdc2eaf74fd0e4deb4476",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-10-03T15:43:08Z",
    "title_canon_sha256": "651b3a88ee25bb7f521cedeb0ee60f5ad53a7adf04ee0590b16bb7e95b28912a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1012",
    "kind": "arxiv",
    "version": 1
  }
}