Pith Number

pith:JFBW22D4

pith:2011:JFBW22D4CN3QYNXJPTVU653WCY

not attested not anchored not stored refs pending

Distributed Algorithms for Optimal Power Flow Problem

Albert Y.S. Lam, Baosen Zhang, David Tse

arxiv:1109.5229 v1 · 2011-09-24 · math.OC · cs.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{JFBW22D4CN3QYNXJPTVU653WCY}

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	2026-05-18T04:12:20.314386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49436d687c13770c36e97ceb4f77761622f6df4bad7f5da09167378b8479017a

Aliases

arxiv: 1109.5229 · arxiv_version: 1109.5229v1 · doi: 10.48550/arxiv.1109.5229 · pith_short_12: JFBW22D4CN3Q · pith_short_16: JFBW22D4CN3QYNXJ · pith_short_8: JFBW22D4

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/JFBW22D4CN3QYNXJPTVU653WCY \
  | 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: 49436d687c13770c36e97ceb4f77761622f6df4bad7f5da09167378b8479017a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d00d86425d371771b7d0becf90157a91b0e1a77a4047a72eb9286ab30717bb6",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-09-24T04:07:57Z",
    "title_canon_sha256": "612e066d2c0dd2b3866c5b70caa375d9046bab4cf0ad088c7e57d5c91724516f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5229",
    "kind": "arxiv",
    "version": 1
  }
}