Pith Number

pith:I44MFDM5

pith:2014:I44MFDM5CSW2COQZTB4PBJD2SR

not attested not anchored not stored refs pending

An internal model approach to (optimal) frequency regulation in power grids with time-varying voltages

Claudio De Persis, Mathias B\"urger, Sebastian Trip

arxiv:1403.7019 v3 · 2014-03-27 · 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{I44MFDM5CSW2COQZTB4PBJD2SR}

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	2026-05-18T01:31:30.299254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4738c28d9d14ada13a199878f0a47a946fd38aae11f143382d3e9db9bacc3f2a

Aliases

arxiv: 1403.7019 · arxiv_version: 1403.7019v3 · doi: 10.48550/arxiv.1403.7019 · pith_short_12: I44MFDM5CSW2 · pith_short_16: I44MFDM5CSW2COQZ · pith_short_8: I44MFDM5

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/I44MFDM5CSW2COQZTB4PBJD2SR \
  | 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: 4738c28d9d14ada13a199878f0a47a946fd38aae11f143382d3e9db9bacc3f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71f2fdf9afeb1f0e36bed4ef1f8d8d60cd7e9fe2db329b91c3cb4c49f1e2acd",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-03-27T13:28:59Z",
    "title_canon_sha256": "2167b8d66f0961c627e6da2c56798c34e78b1eb0ae872c645815ef9ddf57c325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7019",
    "kind": "arxiv",
    "version": 3
  }
}