Pith Number

pith:SSQS6RRK

pith:2018:SSQS6RRKSTWAEGBKEH3NKTG4GV

not attested not anchored not stored refs pending

Empirical Investigation of Non-Convexities in Optimal Power Flow Problems

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

arxiv:1804.04248 v1 · 2018-04-11 · 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{SSQS6RRKSTWAEGBKEH3NKTG4GV}

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	2026-05-18T00:18:40.229845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a12f462a94ec02182a21f6d54cdc355860d4713de1f3d6823262d24bb38578

Aliases

arxiv: 1804.04248 · arxiv_version: 1804.04248v1 · doi: 10.48550/arxiv.1804.04248 · pith_short_12: SSQS6RRKSTWA · pith_short_16: SSQS6RRKSTWAEGBK · pith_short_8: SSQS6RRK

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/SSQS6RRKSTWAEGBKEH3NKTG4GV \
  | 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: 94a12f462a94ec02182a21f6d54cdc355860d4713de1f3d6823262d24bb38578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0801378b03cf83c380104e51669c500a9b120d89655c35e594d08402f1aadb10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-11T22:27:30Z",
    "title_canon_sha256": "4cd9522951f209de2b0c0f99bab5c10d6f09e101ad9572611a6bae17dc768f63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04248",
    "kind": "arxiv",
    "version": 1
  }
}