Pith Number

pith:DVFKFRH7

pith:2014:DVFKFRH7P7QZPC5NRQBWLOEIEC

not attested not anchored not stored refs pending

Scheduling Bipartite Tournaments to Minimize Total Travel Distance

Ken-ichi Kawarabayashi, Richard Hoshino

arxiv:1401.3909 v1 · 2014-01-16 · cs.AI · 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{DVFKFRH7P7QZPC5NRQBWLOEIEC}

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	2026-05-18T03:02:06.064879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d4aa2c4ff7fe1978bad8c0365b888208206697f5d9b3b6d47a15b56905abee3

Aliases

arxiv: 1401.3909 · arxiv_version: 1401.3909v1 · doi: 10.48550/arxiv.1401.3909 · pith_short_12: DVFKFRH7P7QZ · pith_short_16: DVFKFRH7P7QZPC5N · pith_short_8: DVFKFRH7

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/DVFKFRH7P7QZPC5NRQBWLOEIEC \
  | 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: 1d4aa2c4ff7fe1978bad8c0365b888208206697f5d9b3b6d47a15b56905abee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f445c838ed48e5c53841e924884708552a9160d52bf46fb6cb226b2688b36c42",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-16T05:24:01Z",
    "title_canon_sha256": "0a4bfb67bb429fc14564836cda40506268981993067924cf94ce4a5f2fb4f382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3909",
    "kind": "arxiv",
    "version": 1
  }
}