Pith Number

pith:DY6VVHYA

pith:2025:DY6VVHYAUL6AWOIZ2Q2BOHB3DA

not attested not anchored not stored refs pending

Learning to Sample in Variable Neighborhood Search Algorithm for Urban Cable Routing Optimization

Chenhui Lin, Kaiwen Li, Rui Wang, Tao Zhang, Wei Liu, Wenhua Li

arxiv:2512.19321 v2 · 2025-12-22 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DY6VVHYAUL6AWOIZ2Q2BOHB3DA}

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	2026-07-24T01:23:03.312810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e3d5a9f00a2fc0b3919d434171c3b1822baeda27be3a7c8a75effc394a9b229

Aliases

arxiv: 2512.19321 · arxiv_version: 2512.19321v2 · doi: 10.48550/arxiv.2512.19321 · pith_short_12: DY6VVHYAUL6A · pith_short_16: DY6VVHYAUL6AWOIZ · pith_short_8: DY6VVHYA

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/DY6VVHYAUL6AWOIZ2Q2BOHB3DA \
  | 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: 1e3d5a9f00a2fc0b3919d434171c3b1822baeda27be3a7c8a75effc394a9b229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea45b5039792d27061dee251798f6d1c1d529691dbeeb58408d1f2e014fd7fb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2025-12-22T12:13:59Z",
    "title_canon_sha256": "be8e76cbb5bf49e0115003530e3350da9c1f46b88c6129d87ccd3539a794f794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.19321",
    "kind": "arxiv",
    "version": 2
  }
}