Pith Number

pith:QQWGX6D2

pith:2014:QQWGX6D2YKVHZCYGOYGBXHPHJE

not attested not anchored not stored refs pending

Validation of Danish wind time series from a new global renewable energy atlas for energy system analysis

Anders Aspegren S{\o}ndergaard, Gorm Bruun Andresen, Martin Greiner

arxiv:1409.3353 v2 · 2014-09-11 · physics.data-an · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQWGX6D2YKVHZCYGOYGBXHPHJE}

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	2026-05-18T01:23:08.850631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842c6bf87ac2aa7c8b06760c1b9de74914d5d9cc03a4131b4f5a18f56a2ade7e

Aliases

arxiv: 1409.3353 · arxiv_version: 1409.3353v2 · doi: 10.48550/arxiv.1409.3353 · pith_short_12: QQWGX6D2YKVH · pith_short_16: QQWGX6D2YKVHZCYG · pith_short_8: QQWGX6D2

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/QQWGX6D2YKVHZCYGOYGBXHPHJE \
  | 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: 842c6bf87ac2aa7c8b06760c1b9de74914d5d9cc03a4131b4f5a18f56a2ade7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb47168173fdbf2ac915c86d461d550cf263de5b0fc8fe8ac8e02b5c92983c1",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2014-09-11T08:35:29Z",
    "title_canon_sha256": "d9b33a66f85c686362fbeab2e0ffaf3c27b7b1f2b4d41b0c0f1c39a276fbfc52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3353",
    "kind": "arxiv",
    "version": 2
  }
}