Pith Number

pith:Z6DBQHJM

pith:2024:Z6DBQHJMNM6YLIS2DYUWQAYSNK

not attested not anchored not stored refs pending

Approximating the Held-Karp Bound for Metric TSP in Nearly Linear Work and Polylogarithmic Depth

Omri Weinstein, Sorrachai Yingchareonthawornchai, Zhuan Khye Koh

arxiv:2411.14745 v2 · 2024-11-22 · 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{Z6DBQHJMNM6YLIS2DYUWQAYSNK}

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	2026-07-05T11:25:40.481436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf86181d2c6b3d85a25a1e296803126abff051e2c7fe2be6ac89f16857f98ae9

Aliases

arxiv: 2411.14745 · arxiv_version: 2411.14745v2 · doi: 10.48550/arxiv.2411.14745 · pith_short_12: Z6DBQHJMNM6Y · pith_short_16: Z6DBQHJMNM6YLIS2 · pith_short_8: Z6DBQHJM

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/Z6DBQHJMNM6YLIS2DYUWQAYSNK \
  | 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: cf86181d2c6b3d85a25a1e296803126abff051e2c7fe2be6ac89f16857f98ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c779d8a073e7cba6d880cc32d221511b54ca5b7bdbcc8698342101e2f5d4475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2024-11-22T05:46:06Z",
    "title_canon_sha256": "febb765c85db1161714074d2ee572d7e478bd31a011be3f46f64c67cd7c3d8cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14745",
    "kind": "arxiv",
    "version": 2
  }
}