Pith Number

pith:6JLIMZOL

pith:2019:6JLIMZOLDYSWCJ2LNFHOUDW4ZA

not attested not anchored not stored refs pending

Fast Nonconvex SDP Solvers for Large-scale Power System State Estimation

Hao Zhu, Xiaohong Guan, Yu Lan

arxiv:1906.07970 v1 · 2019-06-19 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JLIMZOLDYSWCJ2LNFHOUDW4ZA}

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	2026-05-17T23:42:55.022037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2568665cb1e2561274b694eea0edcc8326c09419e5714092bcff7e08d96d5da

Aliases

arxiv: 1906.07970 · arxiv_version: 1906.07970v1 · doi: 10.48550/arxiv.1906.07970 · pith_short_12: 6JLIMZOLDYSW · pith_short_16: 6JLIMZOLDYSWCJ2L · pith_short_8: 6JLIMZOL

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/6JLIMZOLDYSWCJ2LNFHOUDW4ZA \
  | 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: f2568665cb1e2561274b694eea0edcc8326c09419e5714092bcff7e08d96d5da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef487d178a615608b251fd66111e17e59529ed6b57968b23e1666e8d7569f092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-06-19T08:34:28Z",
    "title_canon_sha256": "2889a4664afe411968989b03acf57aeb606a0b3595b24f455d5c4d738d2c8af4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07970",
    "kind": "arxiv",
    "version": 1
  }
}