Pith Number

pith:TJI5MPU2

pith:2020:TJI5MPU23FX6E275EYADSPJVHU

not attested not anchored not stored refs pending

Learning 2-opt Heuristics for the Traveling Salesman Problem via Deep Reinforcement Learning

Alp Akcay, Jason Rhuggenaath, Paulo R. de O. da Costa, Yingqian Zhang

arxiv:2004.01608 v3 · 2020-04-03 · cs.LG · cs.AI · 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{TJI5MPU23FX6E275EYADSPJVHU}

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.

Cited by

1 paper in Pith

Fast T2T: Optimization Consistency Speeds Up Diffusion-Based Training-to-Testing Solving for Combinatorial Optimization

Receipt and verification

First computed	2026-07-05T01:34:52.950580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a51d63e9ad96fe26bfd2600393d353d04b6cdc4f7140ad6f87fed20415a4fa0

Aliases

arxiv: 2004.01608 · arxiv_version: 2004.01608v3 · doi: 10.48550/arxiv.2004.01608 · pith_short_12: TJI5MPU23FX6 · pith_short_16: TJI5MPU23FX6E275 · pith_short_8: TJI5MPU2

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/TJI5MPU23FX6E275EYADSPJVHU \
  | 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: 9a51d63e9ad96fe26bfd2600393d353d04b6cdc4f7140ad6f87fed20415a4fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "783fd0d0f3b61a421019f1e0cd685ac935e68b0a95f88c033c46fa8f789d6886",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-03T14:51:54Z",
    "title_canon_sha256": "47221b98cdb86d2cc968526fcff9b5f5832a9f68a3d5edf7f0b1decdf0299e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01608",
    "kind": "arxiv",
    "version": 3
  }
}