Pith Number

pith:DG4WOKPE

pith:2018:DG4WOKPEOBNTKUDQETC5RGACMY

not attested not anchored not stored refs pending

On the economics of electrical storage for variable renewable energy sources

Alexander Zerrahn, Claudia Kemfert, Wolf-Peter Schill

arxiv:1802.07885 v2 · 2018-02-19 · physics.soc-ph · cs.OH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DG4WOKPEOBNTKUDQETC5RGACMY}

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	2026-05-18T00:10:28.097808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b96729e4705b35507024c5d89802660f6802fb40b6bccb564568dcddb4513f

Aliases

arxiv: 1802.07885 · arxiv_version: 1802.07885v2 · doi: 10.48550/arxiv.1802.07885 · pith_short_12: DG4WOKPEOBNT · pith_short_16: DG4WOKPEOBNTKUDQ · pith_short_8: DG4WOKPE

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/DG4WOKPEOBNTKUDQETC5RGACMY \
  | 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: 19b96729e4705b35507024c5d89802660f6802fb40b6bccb564568dcddb4513f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441afc8d282a965b214d5e21aae09463e4996b9b27ba0d23e567632ca61a0224",
    "cross_cats_sorted": [
      "cs.OH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-02-19T15:52:14Z",
    "title_canon_sha256": "36ae36b5720b2ba710dfb7a452b4d9aa817d589a0a62df327a8e35ce1627d07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07885",
    "kind": "arxiv",
    "version": 2
  }
}