Pith Number

pith:IYQIFYN4

pith:2023:IYQIFYN4PYW7BO3WHOZSBCMH6B

not attested not anchored not stored refs pending

A Convex Hull Cheapest Insertion Heuristic for the Non-Euclidean TSP

Meghna Menon, Mithun Goutham, Sarah Garrow, Stephanie Stockar

arxiv:2302.06582 v5 · 2023-02-05 · cs.AI · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYQIFYN4PYW7BO3WHOZSBCMH6B}

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	2026-07-05T08:39:26.438890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

462082e1bc7e2df0bb763bb3208987f041e51b64b6e21e992d2d2bd00bea972b

Aliases

arxiv: 2302.06582 · arxiv_version: 2302.06582v5 · doi: 10.48550/arxiv.2302.06582 · pith_short_12: IYQIFYN4PYW7 · pith_short_16: IYQIFYN4PYW7BO3W · pith_short_8: IYQIFYN4

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/IYQIFYN4PYW7BO3WHOZSBCMH6B \
  | 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: 462082e1bc7e2df0bb763bb3208987f041e51b64b6e21e992d2d2bd00bea972b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "732c1aa170ab5032797b7f6f4dd7d6d71e37512acda51b1886d322810031ecb5",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2023-02-05T13:56:19Z",
    "title_canon_sha256": "6f17883b7f32c4c3b6aeaf8b60b548803c59fd898706a1f41292cbaba08fbd4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06582",
    "kind": "arxiv",
    "version": 5
  }
}