Pith Number

pith:BOIYXLDD

pith:2018:BOIYXLDDA3YYCOKHO2JV2VUSO5

not attested not anchored not stored refs pending

Convex Relaxations in Power System Optimization: A Brief Introduction

Carleton Coffrin, Line Roald

arxiv:1807.07227 v1 · 2018-07-19 · 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{BOIYXLDDA3YYCOKHO2JV2VUSO5}

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	2026-05-18T00:10:20.843485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b918bac6306f181394776935d569277753a8610afb38eced1483867617f0324

Aliases

arxiv: 1807.07227 · arxiv_version: 1807.07227v1 · doi: 10.48550/arxiv.1807.07227 · pith_short_12: BOIYXLDDA3YY · pith_short_16: BOIYXLDDA3YYCOKH · pith_short_8: BOIYXLDD

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/BOIYXLDDA3YYCOKHO2JV2VUSO5 \
  | 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: 0b918bac6306f181394776935d569277753a8610afb38eced1483867617f0324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f578d254a92de89a1d18ec211131d9c2670acdf2b591c8c29113c9d1bf486b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-07-19T03:34:55Z",
    "title_canon_sha256": "ee58b9d2857f119d61b44eef1871622adad1c089f6960861c64d820e9fa0cb39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07227",
    "kind": "arxiv",
    "version": 1
  }
}