Pith Number

pith:BFLBMM5W

pith:2018:BFLBMM5WVEGEV4Y3JO2KYMMHAW

not attested not anchored not stored refs pending

Fixed set search applied to the traveling salesman problem

Milan Tuba, Raka Jovanovic, Stefan Voss

arxiv:1809.04942 v1 · 2018-09-06 · cs.AI · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFLBMM5WVEGEV4Y3JO2KYMMHAW}

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	2026-05-18T00:05:47.044528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09561633b6a90c4af31b4bb4ac318705b4a2e7b51981a3d1f825086f937917ef

Aliases

arxiv: 1809.04942 · arxiv_version: 1809.04942v1 · doi: 10.48550/arxiv.1809.04942 · pith_short_12: BFLBMM5WVEGE · pith_short_16: BFLBMM5WVEGEV4Y3 · pith_short_8: BFLBMM5W

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/BFLBMM5WVEGEV4Y3JO2KYMMHAW \
  | 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: 09561633b6a90c4af31b4bb4ac318705b4a2e7b51981a3d1f825086f937917ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aab638e4a5544b1192c661a79e6d9e6d3ede700979f23e2f5bda8cf4604e9dd1",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-09-06T11:21:18Z",
    "title_canon_sha256": "605a7f1195b9d98d08493bfa688bde48b162fab94bae326497ef6b7034cea7e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04942",
    "kind": "arxiv",
    "version": 1
  }
}