Pith Number

pith:NYOJZUML

pith:2016:NYOJZUML3O2N2VAIQKCGS5SJSK

not attested not anchored not stored refs pending

A Polynomial-Time Deterministic Approach to the Traveling Salesperson Problem

Ali Jazayeri, Hiroki Sayama

arxiv:1608.01716 v4 · 2016-08-04 · cs.DS · 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{NYOJZUML3O2N2VAIQKCGS5SJSK}

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	2026-05-18T00:00:37.305246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1c9cd18bdbb4dd5408828469764992a67cb4d6a85bf35b251d897a0df94fce

Aliases

arxiv: 1608.01716 · arxiv_version: 1608.01716v4 · doi: 10.48550/arxiv.1608.01716 · pith_short_12: NYOJZUML3O2N · pith_short_16: NYOJZUML3O2N2VAI · pith_short_8: NYOJZUML

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/NYOJZUML3O2N2VAIQKCGS5SJSK \
  | 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: 6e1c9cd18bdbb4dd5408828469764992a67cb4d6a85bf35b251d897a0df94fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d862c14e5c65edc21c89fd5ceccd5bd906df885ba66a7050e68e3f13103dcde",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-08-04T23:18:47Z",
    "title_canon_sha256": "666cc473ace875b1d860d5e7aec71c63e3afed785afed66a7f5c2e3e6be7eb9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01716",
    "kind": "arxiv",
    "version": 4
  }
}