Pith Number

pith:NGH62DSS

pith:2021:NGH62DSSOP6SCOJEHLRTT3EGN5

not attested not anchored not stored refs pending

Guidelines for the Computational Testing of Machine Learning approaches to Vehicle Routing Problems

Andrea Lodi, Daniele Vigo, Luca Accorsi

arxiv:2109.13983 v1 · 2021-09-28 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGH62DSSOP6SCOJEHLRTT3EGN5}

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	2026-07-05T03:18:31.049752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698fed0e5273fd2139243ae339ec866f4a54b62c71a807afa8269146ae214cc5

Aliases

arxiv: 2109.13983 · arxiv_version: 2109.13983v1 · doi: 10.48550/arxiv.2109.13983 · pith_short_12: NGH62DSSOP6S · pith_short_16: NGH62DSSOP6SCOJE · pith_short_8: NGH62DSS

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/NGH62DSSOP6SCOJEHLRTT3EGN5 \
  | 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: 698fed0e5273fd2139243ae339ec866f4a54b62c71a807afa8269146ae214cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ea77346cd517a4dfae51cae74531ff094647bbc04a4980c55edbb1bea1de722",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-28T18:47:43Z",
    "title_canon_sha256": "234663cfd0b0ef8a26a3c9a356f7ead0e5610db0e8805b2098d2338d2c62cb2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13983",
    "kind": "arxiv",
    "version": 1
  }
}