Pith Number

pith:A7UKGS4Z

pith:2008:A7UKGS4ZWE2KKXU6A5VFTJ3HR3

not attested not anchored not stored refs pending

On the complexity of finding gapped motifs

Esko Ukkonen, Francois Nicolas, Morris Michael

arxiv:0802.0314 v6 · 2008-02-04 · 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{A7UKGS4ZWE2KKXU6A5VFTJ3HR3}

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	2026-05-18T04:41:36.018729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e8a34b99b134a55e9e076a59a7678eda7694fe7b9deb0bb9c5928ce15da276

Aliases

arxiv: 0802.0314 · arxiv_version: 0802.0314v6 · doi: 10.48550/arxiv.0802.0314 · pith_short_12: A7UKGS4ZWE2K · pith_short_16: A7UKGS4ZWE2KKXU6 · pith_short_8: A7UKGS4Z

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/A7UKGS4ZWE2KKXU6A5VFTJ3HR3 \
  | 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: 07e8a34b99b134a55e9e076a59a7678eda7694fe7b9deb0bb9c5928ce15da276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797adcce3a0c26dc913e24cc93230fa59fe2d203a97057ccbe767c414f733eaf",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2008-02-04T00:08:40Z",
    "title_canon_sha256": "3d5a98ada84bdad33cb4cabc2fc27fa6542fda63f324ee80458f7dd5ce718bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0314",
    "kind": "arxiv",
    "version": 6
  }
}