Pith Number

pith:QBR2LDTU

pith:2019:QBR2LDTURINJHIGYQGRGJPWD5K

not attested not anchored not stored refs pending

Active Distribution Grids offering Ancillary Services in Islanded and Grid-connected Mode

Gabriela Hug, Jannick Gallmann, Marina Gonzalez Vaya, Petros Aristidou, Stavros Karagiannopoulos

arxiv:1906.04804 v1 · 2019-06-11 · 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{QBR2LDTURINJHIGYQGRGJPWD5K}

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	2026-05-17T23:43:32.219369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8063a58e748a1a93a0d881a264bec3eab46b6e90b429ae564f294ce03239ca26

Aliases

arxiv: 1906.04804 · arxiv_version: 1906.04804v1 · doi: 10.48550/arxiv.1906.04804 · pith_short_12: QBR2LDTURINJ · pith_short_16: QBR2LDTURINJHIGY · pith_short_8: QBR2LDTU

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/QBR2LDTURINJHIGYQGRGJPWD5K \
  | 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: 8063a58e748a1a93a0d881a264bec3eab46b6e90b429ae564f294ce03239ca26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "680b2d03b27b2d7c0353ee575d380fd7dd69d48b8eb594b226155351c4c60a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-11T20:29:20Z",
    "title_canon_sha256": "b64fe1030ced18f02507dbaa35777f31cfe8af5e399551f8a1bb5b0280711713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04804",
    "kind": "arxiv",
    "version": 1
  }
}