Pith Number

pith:UM4FQJUU

pith:2017:UM4FQJUU3YBZ5DL3Z4SVEZJPPI

not attested not anchored not stored refs pending

Effects of turbine spacing on the power output of extended wind-farms

Charles Meneveau, Dennice F. Gayme, Richard J.A.M. Stevens

arxiv:1707.01807 v1 · 2017-07-06 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UM4FQJUU3YBZ5DL3Z4SVEZJPPI}

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	2026-05-18T00:40:47.387681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a338582694de039e8d7bcf2552652f7a207f8e85fc756d54b09e77abeac2ef76

Aliases

arxiv: 1707.01807 · arxiv_version: 1707.01807v1 · doi: 10.48550/arxiv.1707.01807 · pith_short_12: UM4FQJUU3YBZ · pith_short_16: UM4FQJUU3YBZ5DL3 · pith_short_8: UM4FQJUU

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/UM4FQJUU3YBZ5DL3Z4SVEZJPPI \
  | 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: a338582694de039e8d7bcf2552652f7a207f8e85fc756d54b09e77abeac2ef76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "955ddfcc98837fb0e4246d3105d69a92bb75b24c7b270f259dcd3477dfc89c7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-07-06T14:19:27Z",
    "title_canon_sha256": "b86d71b30a91e1dad251d35b77c4ff1d17b442ee19fd51d87edc963854389d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01807",
    "kind": "arxiv",
    "version": 1
  }
}