Pith Number

pith:UO2N57XA

pith:2025:UO2N57XAIXUXVZ47XNPULCY2DF

not attested not anchored not stored refs pending

Approximating Graphic Multi-Path TSP and Graphic Ordered TSP

Laura Vargas Koch, Morteza Alimi, Niklas Dahlmeier, Philipp Pabst, Tobias M\"omke

arxiv:2509.00448 v1 · 2025-08-30 · 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{UO2N57XAIXUXVZ47XNPULCY2DF}

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	2026-07-05T12:02:16.490661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b4defee045e97ae79fbb5f458b1a19608ce469e9fbff20fc1cb1b9d5038934

Aliases

arxiv: 2509.00448 · arxiv_version: 2509.00448v1 · doi: 10.48550/arxiv.2509.00448 · pith_short_12: UO2N57XAIXUX · pith_short_16: UO2N57XAIXUXVZ47 · pith_short_8: UO2N57XA

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/UO2N57XAIXUXVZ47XNPULCY2DF \
  | 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: a3b4defee045e97ae79fbb5f458b1a19608ce469e9fbff20fc1cb1b9d5038934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fe68408d3b92f558fbbb098dea2dea9f906ab600d3689f39bc087ff72698ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-08-30T10:33:39Z",
    "title_canon_sha256": "e18cef7c84a9b079913a5c34767d103910ce6133e45c07f65cffaf2151c478d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00448",
    "kind": "arxiv",
    "version": 1
  }
}