Pith Number

pith:LDEWT56T

pith:2017:LDEWT56TV5CU5EQVLXYQBXQOC5

not attested not anchored not stored refs pending

An exponential lower bound for Individualization-Refinement algorithms for Graph Isomorphism

Daniel Neuen, Pascal Schweitzer

arxiv:1705.03283 v1 · 2017-05-09 · 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{LDEWT56TV5CU5EQVLXYQBXQOC5}

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	2026-05-18T00:44:48.383371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c969f7d3af454e92155df100de0e175276b875482dd68c8ef7c8c1e8a47f92

Aliases

arxiv: 1705.03283 · arxiv_version: 1705.03283v1 · doi: 10.48550/arxiv.1705.03283 · pith_short_12: LDEWT56TV5CU · pith_short_16: LDEWT56TV5CU5EQV · pith_short_8: LDEWT56T

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/LDEWT56TV5CU5EQVLXYQBXQOC5 \
  | 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: 58c969f7d3af454e92155df100de0e175276b875482dd68c8ef7c8c1e8a47f92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4151959ea9ebb762e3b6ae749cc614a306c882f2afaeec168165491c4dbb6df",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-05-09T11:41:16Z",
    "title_canon_sha256": "277cdcb34418bf2df8b2261ac2c847b572ef0c802287628f9614dd2adf3e6b4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03283",
    "kind": "arxiv",
    "version": 1
  }
}