Pith Number

pith:OAVFJKM6

pith:2013:OAVFJKM6UB4NX25FHYANTXRIRX

not attested not anchored not stored refs pending

Reduced-Complexity Semidefinite Relaxations of Optimal Power Flow Problems

Anders Hansson, Lieven Vandenberghe, Martin S. Andersen

arxiv:1308.6718 v2 · 2013-08-30 · 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{OAVFJKM6UB4NX25FHYANTXRIRX}

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	2026-05-18T03:05:25.838859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

702a54a99ea078dbeba53e00d9de288dfbf80a62d06501df4ea6f2eb61fa8d54

Aliases

arxiv: 1308.6718 · arxiv_version: 1308.6718v2 · doi: 10.48550/arxiv.1308.6718 · pith_short_12: OAVFJKM6UB4N · pith_short_16: OAVFJKM6UB4NX25F · pith_short_8: OAVFJKM6

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/OAVFJKM6UB4NX25FHYANTXRIRX \
  | 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: 702a54a99ea078dbeba53e00d9de288dfbf80a62d06501df4ea6f2eb61fa8d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7167e1810a45b1080314233b26a98151e342de2c1d4eeaa5635d9e9320557c1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-08-30T12:02:02Z",
    "title_canon_sha256": "52a95fcf0febd5f613c6869d93aa864a8c3cc30d4fb20c53cb852728a6d2bce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6718",
    "kind": "arxiv",
    "version": 2
  }
}