Pith Number

pith:DBCZMBTL

pith:2017:DBCZMBTLMSWOVFXHS3I5SBIYIB

not attested not anchored not stored refs pending

On the complexity of finding internally vertex-disjoint long directed paths

Ana Karolinna Maia, Ana Silva, Ignasi Sau, J\'ulio Ara\'ujo, Victor A. Campos

arxiv:1706.09066 v1 · 2017-06-27 · cs.DS · 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{DBCZMBTLMSWOVFXHS3I5SBIYIB}

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	2026-05-18T00:41:19.994287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

184596066b64acea96e796d1d9051840408170f6c6bf894ca8bc5c7867149748

Aliases

arxiv: 1706.09066 · arxiv_version: 1706.09066v1 · doi: 10.48550/arxiv.1706.09066 · pith_short_12: DBCZMBTLMSWO · pith_short_16: DBCZMBTLMSWOVFXH · pith_short_8: DBCZMBTL

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/DBCZMBTLMSWOVFXHS3I5SBIYIB \
  | 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: 184596066b64acea96e796d1d9051840408170f6c6bf894ca8bc5c7867149748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2fd897008c7bc226cf44d5144351259a8574ac2a58aca801a0f18964acd1acf",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-06-27T22:17:20Z",
    "title_canon_sha256": "53d8e5587ba47fff49116795271ef09e87b3b1359f3cc8b519cf9fd1af6437b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09066",
    "kind": "arxiv",
    "version": 1
  }
}