Pith Number

pith:C7NBZOJ7

pith:2011:C7NBZOJ7APPWBHWRHRNFIRMGAH

not attested not anchored not stored refs pending

On the Exact Solution to a Smart Grid Cyber-Security Analysis Problem

Henrik Sandberg, Karl Henrik Johansson, Kin Cheong Sou

arxiv:1201.5019 v2 · 2011-12-22 · math.OC · cs.CE · 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{C7NBZOJ7APPWBHWRHRNFIRMGAH}

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	2026-05-18T03:45:31.810474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17da1cb93f03df609ed13c5a54458601d4a54f31539f67b8c5c901dcfbb9b96d

Aliases

arxiv: 1201.5019 · arxiv_version: 1201.5019v2 · doi: 10.48550/arxiv.1201.5019 · pith_short_12: C7NBZOJ7APPW · pith_short_16: C7NBZOJ7APPWBHWR · pith_short_8: C7NBZOJ7

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/C7NBZOJ7APPWBHWRHRNFIRMGAH \
  | 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: 17da1cb93f03df609ed13c5a54458601d4a54f31539f67b8c5c901dcfbb9b96d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d05279e96355f48101747a9e9f729a037958f2d24be51a96b6fb13649130980",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-12-22T12:19:47Z",
    "title_canon_sha256": "ba98b503d4a789783891e2d06185eaf411b893b537970ff69937ae4fa45d7797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5019",
    "kind": "arxiv",
    "version": 2
  }
}