Pith Number

pith:EGZUYVMP

pith:2021:EGZUYVMPYJL7OCOMG44JGDKQMK

not attested not anchored not stored refs pending

Deep Reinforcement Learning for Combinatorial Optimization: Covering Salesman Problems

Kaiwen Li, Rui Wang Yuheng Wang, Tao Zhang, Yi Han

arxiv:2102.05875 v1 · 2021-02-11 · cs.NE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGZUYVMPYJL7OCOMG44JGDKQMK}

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	2026-07-05T03:14:10.592056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b34c558fc257f709cc3738930d5062859c3f927c62a2424d4c9740e41d3aef

Aliases

arxiv: 2102.05875 · arxiv_version: 2102.05875v1 · doi: 10.48550/arxiv.2102.05875 · pith_short_12: EGZUYVMPYJL7 · pith_short_16: EGZUYVMPYJL7OCOM · pith_short_8: EGZUYVMP

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/EGZUYVMPYJL7OCOMG44JGDKQMK \
  | 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: 21b34c558fc257f709cc3738930d5062859c3f927c62a2424d4c9740e41d3aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f792cb5f9305d6281afac0953a0c55860fc55476981ca6fcf96e19f8f4ecda22",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-02-11T07:25:04Z",
    "title_canon_sha256": "8ffca89f9b8c3f6a1e1923bf0abcd9bab109ed6bc23f08197d5800d2b5fdc892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05875",
    "kind": "arxiv",
    "version": 1
  }
}