Pith Number

pith:KYUFMPK4

pith:2015:KYUFMPK4FKBX5OKTV62M46LIKC

not attested not anchored not stored refs pending

Optimizing Star-Convex Functions

Jasper C.H. Lee, Paul Valiant

arxiv:1511.04466 v2 · 2015-11-13 · 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{KYUFMPK4FKBX5OKTV62M46LIKC}

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	2026-05-18T01:15:00.941044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5628563d5c2a837eb953afb4ce796850a5b1f307c66b45805017e98065cfc9df

Aliases

arxiv: 1511.04466 · arxiv_version: 1511.04466v2 · doi: 10.48550/arxiv.1511.04466 · pith_short_12: KYUFMPK4FKBX · pith_short_16: KYUFMPK4FKBX5OKT · pith_short_8: KYUFMPK4

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/KYUFMPK4FKBX5OKTV62M46LIKC \
  | 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: 5628563d5c2a837eb953afb4ce796850a5b1f307c66b45805017e98065cfc9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91984c69d87f381be0ac874130461f838432586ff037e73a8acd307ed21d45ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-11-13T21:36:13Z",
    "title_canon_sha256": "c3da68c843433b1eb4b534c6d77347d8a8d45d132a42c88b66d67fb420854d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04466",
    "kind": "arxiv",
    "version": 2
  }
}