Pith Number

pith:MAYNPU43

pith:2021:MAYNPU43CDJTPXTWJJTT2X65ME

not attested not anchored not stored refs pending

Learned upper bounds for the Time-Dependent Travelling Salesman Problem

Emanuela Guerriero, Gianpaolo Ghiani, Pierpaolo Greco, Tommaso Adamo

arxiv:2107.13641 v1 · 2021-07-28 · cs.AI · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAYNPU43CDJTPXTWJJTT2X65ME}

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	2026-07-05T05:30:25.269621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6030d7d39b10d337de764a673d5fdd612629abe509b59c270351e179b3e69998

Aliases

arxiv: 2107.13641 · arxiv_version: 2107.13641v1 · doi: 10.48550/arxiv.2107.13641 · pith_short_12: MAYNPU43CDJT · pith_short_16: MAYNPU43CDJTPXTW · pith_short_8: MAYNPU43

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/MAYNPU43CDJTPXTWJJTT2X65ME \
  | 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: 6030d7d39b10d337de764a673d5fdd612629abe509b59c270351e179b3e69998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a05e3ebc4935bbba52a680ddaf0cd6c5f9790f9b5a96ae2d47b60ccd32866b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-07-28T20:54:59Z",
    "title_canon_sha256": "6aa0e0567af268cf206b3f5b2b0d4a779efea925e719cb8af81335bc68dc410d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13641",
    "kind": "arxiv",
    "version": 1
  }
}