Pith Number

pith:F4DYWA36

pith:2017:F4DYWA36S6T4BAMN73LXKJVD7R

not attested not anchored not stored refs pending

On problems equivalent to (min,+)-convolution

Karol W\k{e}grzycki, Marcin Mucha, Marek Cygan, Micha{\l} W{\l}odarczyk

arxiv:1702.07669 v2 · 2017-02-24 · 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{F4DYWA36S6T4BAMN73LXKJVD7R}

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	2026-05-17T23:47:03.966064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f078b037e97a7c0818dfed77526a3fc550a5f060c8d6835dd0e0062e2f27467

Aliases

arxiv: 1702.07669 · arxiv_version: 1702.07669v2 · doi: 10.48550/arxiv.1702.07669 · pith_short_12: F4DYWA36S6T4 · pith_short_16: F4DYWA36S6T4BAMN · pith_short_8: F4DYWA36

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/F4DYWA36S6T4BAMN73LXKJVD7R \
  | 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: 2f078b037e97a7c0818dfed77526a3fc550a5f060c8d6835dd0e0062e2f27467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af173d2c833be3b43df60e54879336b7aa1ee2bad3f41c2797fb4a2489833968",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-02-24T17:18:02Z",
    "title_canon_sha256": "be85b86bd7e39ef1004d4f3cd327cc6b3699a2c74413a860d81e93ad919eef3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07669",
    "kind": "arxiv",
    "version": 2
  }
}