Pith Number

pith:WLS63FHB

pith:2019:WLS63FHBIFH7OAA2VQXWCRD6HX

not attested not anchored not stored refs pending

Controlling Power and Virtual Inertia from Storage for Frequency Response

Shuchang Yan

arxiv:1907.04494 v1 · 2019-07-10 · eess.SY · 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{WLS63FHBIFH7OAA2VQXWCRD6HX}

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	2026-05-17T23:41:00.092893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e5ed94e1414ff7001aac2f61447e3dc7ba586b1388c9307fd92e2530dde6c2

Aliases

arxiv: 1907.04494 · arxiv_version: 1907.04494v1 · doi: 10.48550/arxiv.1907.04494 · pith_short_12: WLS63FHBIFH7 · pith_short_16: WLS63FHBIFH7OAA2 · pith_short_8: WLS63FHB

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/WLS63FHBIFH7OAA2VQXWCRD6HX \
  | 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: b2e5ed94e1414ff7001aac2f61447e3dc7ba586b1388c9307fd92e2530dde6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a78e805ae3bc600ccf0d829a6f2a8ee26e56b98ca3b512b724edd3802bf31c3",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-07-10T02:48:46Z",
    "title_canon_sha256": "700403ec950cd51ef6d01ca0425e32ce01cb9ddb401c53a63869ab8fb9c3d1ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04494",
    "kind": "arxiv",
    "version": 1
  }
}