Pith Number

pith:IVHE4VHN

pith:2019:IVHE4VHNVDKF7FQFG6T3JQQUJL

not attested not anchored not stored refs pending

Edge minimization in de Bruijn graphs

Enno Ohlebusch, Pascal Weber, Thomas B\"uchler, Uwe Baier

arxiv:1911.00044 v3 · 2019-10-31 · 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{IVHE4VHNVDKF7FQFG6T3JQQUJL}

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	2026-07-05T00:34:04.408251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454e4e54eda8d45f960537a7b4c2144ada12f79cc1401d804aae92fdb5f441bb

Aliases

arxiv: 1911.00044 · arxiv_version: 1911.00044v3 · doi: 10.48550/arxiv.1911.00044 · pith_short_12: IVHE4VHNVDKF · pith_short_16: IVHE4VHNVDKF7FQF · pith_short_8: IVHE4VHN

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/IVHE4VHNVDKF7FQFG6T3JQQUJL \
  | 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: 454e4e54eda8d45f960537a7b4c2144ada12f79cc1401d804aae92fdb5f441bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccdbe788b8fc1eb78ff36ebdb3c497773ccbf18ea0f0037b4301eedbacaae7c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-10-31T18:19:55Z",
    "title_canon_sha256": "d0516274adfc79c7bacee6a96381c80caede839d3d6d992461a2973848911b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00044",
    "kind": "arxiv",
    "version": 3
  }
}