Pith Number

pith:R64TA4XR

pith:2012:R64TA4XRC32CRJFKIR5QMP4WIQ

not attested not anchored not stored refs pending

Policy-based reserves for power systems

Joseph Warrington, Manfred Morari, Paul Goulart, Sebastien Mariethoz

arxiv:1212.2119 v2 · 2012-12-10 · 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{R64TA4XRC32CRJFKIR5QMP4WIQ}

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	2026-05-18T03:18:40.254786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb93072f116f428a4aa447b063f9644171a4e1fb1547be84fc5cf681c2a801a

Aliases

arxiv: 1212.2119 · arxiv_version: 1212.2119v2 · doi: 10.48550/arxiv.1212.2119 · pith_short_12: R64TA4XRC32C · pith_short_16: R64TA4XRC32CRJFK · pith_short_8: R64TA4XR

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/R64TA4XRC32CRJFKIR5QMP4WIQ \
  | 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: 8fb93072f116f428a4aa447b063f9644171a4e1fb1547be84fc5cf681c2a801a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5f27dff37be26794346a8031484647ab1b85f7f2b40e7453b0479693787f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-12-10T16:28:27Z",
    "title_canon_sha256": "4110834f2ff030f9a95a181e1f68a1618154c113bc1d0105d31a2033c04aade8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2119",
    "kind": "arxiv",
    "version": 2
  }
}