Pith Number

pith:LYSGCERW

pith:2021:LYSGCERWYW3BF75ATDWMELCG5F

not attested not anchored not stored refs pending

An Iterative Approach to Finding Global Solutions of AC Optimal Power Flow Problems

Baosen Zhang, Ling Zhang

arxiv:2102.12075 v1 · 2021-02-24 · eess.SY · cs.SY · 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{LYSGCERWYW3BF75ATDWMELCG5F}

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	2026-07-05T02:18:08.788695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e24611236c5b612ffa098ecc22c46e95c8272738d371b5e7da5e7ca9a1adddd

Aliases

arxiv: 2102.12075 · arxiv_version: 2102.12075v1 · doi: 10.48550/arxiv.2102.12075 · pith_short_12: LYSGCERWYW3B · pith_short_16: LYSGCERWYW3BF75A · pith_short_8: LYSGCERW

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/LYSGCERWYW3BF75ATDWMELCG5F \
  | 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: 5e24611236c5b612ffa098ecc22c46e95c8272738d371b5e7da5e7ca9a1adddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecdb6f159f2b7d2d26fbb39035497e1672c4b7d5379d471ce4ce68583c419835",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-02-24T05:38:40Z",
    "title_canon_sha256": "77bee7d1482f36d921bf42f222cdcc7d67978ebcdf8ea4b4088447d516774708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12075",
    "kind": "arxiv",
    "version": 1
  }
}