Pith Number

pith:NQOVY7BC

pith:2019:NQOVY7BCGNB4MBPNZOSVQL6X6R

not attested not anchored not stored refs pending

N-body Approach to the Traveling Salesman Problem (TSP)

Bryant Wyatt, Edwin Gonzalez, Jesse Crawford, Johnny Seay, Stephen Lowe

arxiv:1906.05926 v1 · 2019-06-13 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQOVY7BCGNB4MBPNZOSVQL6X6R}

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	2026-05-17T23:43:20.303374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1d5c7c223343c605edcba5582fd7f46841bd0c753c42709ad175c351e2d630

Aliases

arxiv: 1906.05926 · arxiv_version: 1906.05926v1 · doi: 10.48550/arxiv.1906.05926 · pith_short_12: NQOVY7BCGNB4 · pith_short_16: NQOVY7BCGNB4MBPN · pith_short_8: NQOVY7BC

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/NQOVY7BCGNB4MBPNZOSVQL6X6R \
  | 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: 6c1d5c7c223343c605edcba5582fd7f46841bd0c753c42709ad175c351e2d630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa9173ddba129e6694582af6f5b1a7aad7f152bd00abcf9b9c526877b818fb4",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-13T20:57:50Z",
    "title_canon_sha256": "08a766b83d8002d89a2e2a6d59c49521043d0f6e1aea1a0cb2055d4e7eca00e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05926",
    "kind": "arxiv",
    "version": 1
  }
}