Pith Number

pith:ST3FJNUI

pith:2021:ST3FJNUIZUOX2TUSEKT5JEQBZI

not attested not anchored not stored refs pending

Ensuring DNN Solution Feasibility for Optimization Problems with Convex Constraints and Its Application to DC Optimal Power Flow Problems

Minghua Chen, Steven H. Low, Tianyu Zhao, Xiang Pan

arxiv:2112.08091 v3 · 2021-12-15 · cs.LG · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ST3FJNUIZUOX2TUSEKT5JEQBZI}

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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	2026-07-05T06:10:59.517504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94f654b688cd1d7d4e9222a7d49201ca288891ef545a2227ec1873b2738638ed

Aliases

arxiv: 2112.08091 · arxiv_version: 2112.08091v3 · doi: 10.48550/arxiv.2112.08091 · pith_short_12: ST3FJNUIZUOX · pith_short_16: ST3FJNUIZUOX2TUS · pith_short_8: ST3FJNUI

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/ST3FJNUIZUOX2TUSEKT5JEQBZI \
  | 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: 94f654b688cd1d7d4e9222a7d49201ca288891ef545a2227ec1873b2738638ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56d680add667b3686d5405fe2faf2f66d035086d5ef12f5b4fe2591d50892a7a",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-15T13:05:59Z",
    "title_canon_sha256": "0e452d89ac49506495c11df6f2488977897cbb7e67a64fd89b00f783af94053b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08091",
    "kind": "arxiv",
    "version": 3
  }
}