Pith Number

pith:4K3FTGT3

pith:2013:4K3FTGT3RFWF3KUDFYUILZQAJG

not attested not anchored not stored refs pending

A New Frequency Control Reserve Framework based on Energy-Constrained Units

Andreas Ulbig, G\"oran Andersson, Theodor Borsche

arxiv:1312.6119 v1 · 2013-12-20 · 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{4K3FTGT3RFWF3KUDFYUILZQAJG}

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	2026-05-18T03:04:05.984064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b6599a7b896c5daa832e2885e6004998b5fdd39963baa06c403cb05a726701

Aliases

arxiv: 1312.6119 · arxiv_version: 1312.6119v1 · doi: 10.48550/arxiv.1312.6119 · pith_short_12: 4K3FTGT3RFWF · pith_short_16: 4K3FTGT3RFWF3KUD · pith_short_8: 4K3FTGT3

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/4K3FTGT3RFWF3KUDFYUILZQAJG \
  | 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: e2b6599a7b896c5daa832e2885e6004998b5fdd39963baa06c403cb05a726701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253ad6f3eab93da0d28c7d7b7afccb1523f40136188770d2b15257961074e793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-12-20T14:06:45Z",
    "title_canon_sha256": "9a6083e4f4d0a16ed1223763f76dac407ab347e342b6492cf52317eb2288e226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6119",
    "kind": "arxiv",
    "version": 1
  }
}