Pith Number

pith:YET7FMO7

pith:2017:YET7FMO72CFTOKFMIFADBHKVF2

not attested not anchored not stored refs pending

A Machine Learning Framework to Forecast Wave Conditions

Fearghal O'Donncha, Scott C. James, Yushan Zhang

arxiv:1709.08725 v1 · 2017-09-25 · 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{YET7FMO72CFTOKFMIFADBHKVF2}

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	2026-05-18T00:34:22.021774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c127f2b1dfd08b3728ac4140309d552ebf943a2d4a636e3fa7353c9742ed788e

Aliases

arxiv: 1709.08725 · arxiv_version: 1709.08725v1 · doi: 10.48550/arxiv.1709.08725 · pith_short_12: YET7FMO72CFT · pith_short_16: YET7FMO72CFTOKFM · pith_short_8: YET7FMO7

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/YET7FMO72CFTOKFMIFADBHKVF2 \
  | 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: c127f2b1dfd08b3728ac4140309d552ebf943a2d4a636e3fa7353c9742ed788e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7fc0ff342884a6f753c397e4846219be53273a762832f3b4017d6d71b7cc21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-09-25T21:12:12Z",
    "title_canon_sha256": "b13a1ed891272be4a4f679e685b74e6b33b9b6d3d41cc43c1d95c45a3cf3753e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08725",
    "kind": "arxiv",
    "version": 1
  }
}