Pith Number

pith:OTZYPVRE

pith:2014:OTZYPVREOWLYZRYIFPWH66N7ZA

not attested not anchored not stored refs pending

The parameterised complexity of counting even and odd induced subgraphs

Kitty Meeks, Mark Jerrum

arxiv:1410.3375 v2 · 2014-10-13 · math.CO · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTZYPVREOWLYZRYIFPWH66N7ZA}

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	2026-05-18T01:31:03.710048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f387d62475978cc7082bec7f79bfc81d1890af2345d3a8d05cff926185f215

Aliases

arxiv: 1410.3375 · arxiv_version: 1410.3375v2 · doi: 10.48550/arxiv.1410.3375 · pith_short_12: OTZYPVREOWLY · pith_short_16: OTZYPVREOWLYZRYI · pith_short_8: OTZYPVRE

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/OTZYPVREOWLYZRYIFPWH66N7ZA \
  | 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: 74f387d62475978cc7082bec7f79bfc81d1890af2345d3a8d05cff926185f215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3be942e7e7fc9486f4349e08b1e60639fb6bae61af1ec8b30b55f5fa1b7b2ee",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-13T16:08:35Z",
    "title_canon_sha256": "7f9ff4432eb4f97ac23dd459148ea81a3e935b1830d1e73efb43542bd5ebe420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3375",
    "kind": "arxiv",
    "version": 2
  }
}