Pith Number

pith:O3MLDFKQ

pith:2018:O3MLDFKQYKEOGJRZGGCWB46T3M

not attested not anchored not stored refs pending

Improving QC Relaxations of OPF Problems via Voltage Magnitude Difference Constraints and Envelopes for Trilinear Monomials

Daniel K. Molzahn, Mariesa L. Crow, Mohammad Rasoul Narimani

arxiv:1804.02735 v1 · 2018-04-08 · 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{O3MLDFKQYKEOGJRZGGCWB46T3M}

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	2026-05-18T00:18:58.553068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76d8b19550c288e32639318560f3d3db211a51831a24e0584c04fd493863bef2

Aliases

arxiv: 1804.02735 · arxiv_version: 1804.02735v1 · doi: 10.48550/arxiv.1804.02735 · pith_short_12: O3MLDFKQYKEO · pith_short_16: O3MLDFKQYKEOGJRZ · pith_short_8: O3MLDFKQ

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/O3MLDFKQYKEOGJRZGGCWB46T3M \
  | 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: 76d8b19550c288e32639318560f3d3db211a51831a24e0584c04fd493863bef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe5289b524cc532ea2af2483bacbe914b333dd7e3d05556dc4c500b45ed67b8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-08T18:32:36Z",
    "title_canon_sha256": "0c0629cd34438d53218190bebbcaf987e60151096c048b18821b65d2ab652491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02735",
    "kind": "arxiv",
    "version": 1
  }
}