Pith Number

pith:OVCSCPR3

pith:2020:OVCSCPR3Q5E7CN2XBC7CW3HUI6

not attested not anchored not stored refs pending

Generalization of Machine Learning for Problem Reduction: A Case Study on Travelling Salesman Problems

Andreas Ernst, Jake Weiner, Xiaodong Li, Yuan Sun

arxiv:2005.05847 v2 · 2020-05-12 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVCSCPR3Q5E7CN2XBC7CW3HUI6}

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	2026-07-05T01:33:38.405713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7545213e3b8749f1375708be2b6cf447908434bb34018797278d1b67ca2fef51

Aliases

arxiv: 2005.05847 · arxiv_version: 2005.05847v2 · doi: 10.48550/arxiv.2005.05847 · pith_short_12: OVCSCPR3Q5E7 · pith_short_16: OVCSCPR3Q5E7CN2X · pith_short_8: OVCSCPR3

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/OVCSCPR3Q5E7CN2XBC7CW3HUI6 \
  | 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: 7545213e3b8749f1375708be2b6cf447908434bb34018797278d1b67ca2fef51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93396e0d446a34e97c16a08d72f92b8b697d410b38af5b70a240a75bbac292cd",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-12T15:09:20Z",
    "title_canon_sha256": "10f9e432721560bb925d14ff02280687009ddb3f52ec476e4ca35fb2c9207b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.05847",
    "kind": "arxiv",
    "version": 2
  }
}