Pith Number

pith:HL63L2C4

pith:2021:HL63L2C4QRLTEATXJ7ZTUPF3IV

not attested not anchored not stored refs pending

Blade Effective Wind Speed Estimation: A Subspace Predictive Repetitive Estimator Approach

Atindriyo Kusumo Pamososuryo, Jan-Willem van Wingerden, Riccardo Ferrari, Tobias Gybel Hovgaard, Yichao Liu

arxiv:2104.03185 v1 · 2021-04-07 · 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{HL63L2C4QRLTEATXJ7ZTUPF3IV}

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	2026-07-05T02:30:03.771320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3afdb5e85c84573202774ff33a3cbb455a4876e79e88a5bf886e19b1a7d866e1

Aliases

arxiv: 2104.03185 · arxiv_version: 2104.03185v1 · doi: 10.48550/arxiv.2104.03185 · pith_short_12: HL63L2C4QRLT · pith_short_16: HL63L2C4QRLTEATX · pith_short_8: HL63L2C4

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/HL63L2C4QRLTEATXJ7ZTUPF3IV \
  | 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: 3afdb5e85c84573202774ff33a3cbb455a4876e79e88a5bf886e19b1a7d866e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea8f2ac92357547429e8889a08be155d7730f813ded77905be45f960c8429238",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-04-07T15:24:16Z",
    "title_canon_sha256": "68fb23cadabc44e8bd23fc67dc66239ae139bd62df29a0dbd12e622478f68d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03185",
    "kind": "arxiv",
    "version": 1
  }
}