Pith Number

pith:JGWWSK5O

pith:2017:JGWWSK5OF5UBCCL2APPTMA2CAL

not attested not anchored not stored refs pending

Optimal Longest Paths by Dynamic Programming

Christian Schulz, Kai Fieger, Tomas Balyo

arxiv:1702.04170 v1 · 2017-02-14 · 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{JGWWSK5OF5UBCCL2APPTMA2CAL}

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	2026-05-18T00:50:48.897073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49ad692bae2f6811097a03df36034202cd4dd88444486fe2e43128987295033f

Aliases

arxiv: 1702.04170 · arxiv_version: 1702.04170v1 · doi: 10.48550/arxiv.1702.04170 · pith_short_12: JGWWSK5OF5UB · pith_short_16: JGWWSK5OF5UBCCL2 · pith_short_8: JGWWSK5O

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/JGWWSK5OF5UBCCL2APPTMA2CAL \
  | 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: 49ad692bae2f6811097a03df36034202cd4dd88444486fe2e43128987295033f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51398e3224d147a85b87dfef2ba4fff55b674ec19067898c384aa6adfea4c441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-02-14T12:05:58Z",
    "title_canon_sha256": "8f0334b559a8efa279bb3caa60cb06705c8b763637e84ead8d8fd2c22a2501fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04170",
    "kind": "arxiv",
    "version": 1
  }
}