Pith Number

pith:EHKFTF37

pith:2017:EHKFTF37WERBKJLL737LQCFV32

not attested not anchored not stored refs pending

A Formal Characterization of the Local Search Topology of the Gap Heuristic

Danniel Sihui Yang, Richard Anthony Valenzano

arxiv:1705.04665 v1 · 2017-05-12 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHKFTF37WERBKJLL737LQCFV32}

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	2026-05-18T00:44:37.544686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21d459977fb12215256bfefeb808b5de8c4c76d2f1eeae4746cba01524417925

Aliases

arxiv: 1705.04665 · arxiv_version: 1705.04665v1 · doi: 10.48550/arxiv.1705.04665 · pith_short_12: EHKFTF37WERB · pith_short_16: EHKFTF37WERBKJLL · pith_short_8: EHKFTF37

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/EHKFTF37WERBKJLL737LQCFV32 \
  | 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: 21d459977fb12215256bfefeb808b5de8c4c76d2f1eeae4746cba01524417925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760b97480987e1f81b7e63dee3437e1100ba4599b93a9db8b6233cd991138823",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-05-12T17:28:43Z",
    "title_canon_sha256": "112b76ab7a0cea6635f7ae9fae930df1b8d62f146d542e9430f290fb02b92e6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04665",
    "kind": "arxiv",
    "version": 1
  }
}