Pith Number

pith:33VHWQWC

pith:2014:33VHWQWCYH45JAPVDBZPMJKJNF

not attested not anchored not stored refs pending

Faster FPT Algorithm for Graph Isomorphism Parameterized by Eigenvalue Multiplicity

Gaurav Rattan, Vikraman Arvind

arxiv:1408.3510 v1 · 2014-08-15 · 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{33VHWQWCYH45JAPVDBZPMJKJNF}

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	2026-05-18T02:45:05.682497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deea7b42c2c1f9d481f51872f6254969733200099ba57e41e4d7e9e4c4a008c3

Aliases

arxiv: 1408.3510 · arxiv_version: 1408.3510v1 · doi: 10.48550/arxiv.1408.3510 · pith_short_12: 33VHWQWCYH45 · pith_short_16: 33VHWQWCYH45JAPV · pith_short_8: 33VHWQWC

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/33VHWQWCYH45JAPVDBZPMJKJNF \
  | 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: deea7b42c2c1f9d481f51872f6254969733200099ba57e41e4d7e9e4c4a008c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ba7639120e6667ab7cc4f6edc6cd2529646c7c9a1e12e0bfcf4b5074b168bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-08-15T11:21:46Z",
    "title_canon_sha256": "d7bd9e68cd24ce4587ecf245000684116d58d0b3c1c15f68df749ab42b8c3699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3510",
    "kind": "arxiv",
    "version": 1
  }
}