Pith Number

pith:55UWC4NP

pith:2020:55UWC4NPLPWC5EHDLE3TNUSQIQ

not attested not anchored not stored refs pending

A K-Nearest Neighbor Heuristic for Real-Time DC Optimal Transmission Switching

Emma S. Johnson, Jean-Paul Watson, Santanu S. Dey, Shabbir Ahmed

arxiv:2003.10565 v3 · 2020-03-23 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55UWC4NPLPWC5EHDLE3TNUSQIQ}

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

Approximating the Gomory Mixed-Integer Cut Closure Using Historical Data

Receipt and verification

First computed	2026-07-05T02:40:18.870966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef696171af5bec2e90e3593736d25044256da78c3cd960478a5fd088e15e91e7

Aliases

arxiv: 2003.10565 · arxiv_version: 2003.10565v3 · doi: 10.48550/arxiv.2003.10565 · pith_short_12: 55UWC4NPLPWC · pith_short_16: 55UWC4NPLPWC5EHD · pith_short_8: 55UWC4NP

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/55UWC4NPLPWC5EHDLE3TNUSQIQ \
  | 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: ef696171af5bec2e90e3593736d25044256da78c3cd960478a5fd088e15e91e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc511b66817cb806d190dcdd2a5334b07727cf57ac0b54fd5609cd68e9ff89a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-03-23T22:08:32Z",
    "title_canon_sha256": "0f1ee391dd2cf47582190519a497767bd3c46e27118e9b86c7c39c700687932e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10565",
    "kind": "arxiv",
    "version": 3
  }
}