Pith Number

pith:EWYFIPLF

pith:2012:EWYFIPLFPBLTPPRJUD3UXVN5HO

not attested not anchored not stored refs pending

Parameterized Complexity of Induced Graph Matching on Claw-Free Graphs

Danny Hermelin, Erik Jan van Leeuwen, Matthias Mnich

arxiv:1206.7105 v2 · 2012-06-29 · cs.DM · cs.CC · 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{EWYFIPLFPBLTPPRJUD3UXVN5HO}

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	2026-05-18T02:59:45.160561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b0543d65785737be29a0f74bd5bd3bb694ac77dda2b84ecf71b633d68937ba

Aliases

arxiv: 1206.7105 · arxiv_version: 1206.7105v2 · doi: 10.48550/arxiv.1206.7105 · pith_short_12: EWYFIPLFPBLT · pith_short_16: EWYFIPLFPBLTPPRJ · pith_short_8: EWYFIPLF

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/EWYFIPLFPBLTPPRJUD3UXVN5HO \
  | 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: 25b0543d65785737be29a0f74bd5bd3bb694ac77dda2b84ecf71b633d68937ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74665623e8b1c42886557ec246bb0ac0b9640cbaa65784e92cead2ad062b0067",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-06-29T19:09:32Z",
    "title_canon_sha256": "e2bbf23ac7fad3831c64c48ac9ff6fcf9b1941a33304ff092251de0a0580afd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.7105",
    "kind": "arxiv",
    "version": 2
  }
}