Pith Number

pith:GK7ORVYI

pith:2018:GK7ORVYI44FVQ2FICLRN7KVT22

not attested not anchored not stored refs pending

Machine-learning inference of fluid variables from data using reservoir computing

Kengo Nakai, Yoshitaka Saiki

arxiv:1805.09917 v3 · 2018-05-23 · physics.comp-ph · nlin.CD · physics.data-an · physics.flu-dyn · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GK7ORVYI44FVQ2FICLRN7KVT22}

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	2026-05-18T00:06:02.032090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32bee8d708e70b5868a812e2dfaab3d68b30a58a1bc8d18e90280dbe5747ef1f

Aliases

arxiv: 1805.09917 · arxiv_version: 1805.09917v3 · doi: 10.48550/arxiv.1805.09917 · pith_short_12: GK7ORVYI44FV · pith_short_16: GK7ORVYI44FVQ2FI · pith_short_8: GK7ORVYI

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/GK7ORVYI44FVQ2FICLRN7KVT22 \
  | 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: 32bee8d708e70b5868a812e2dfaab3d68b30a58a1bc8d18e90280dbe5747ef1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d81443ef024cf3a523548f5a7a671c5e944cf459879f5a5afd26ec6f4166df8",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.data-an",
      "physics.flu-dyn",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-05-23T16:55:16Z",
    "title_canon_sha256": "1ab7f71296d4efefbef0b83c416df7633e2a0d5530efc5b1cb6b7c930ead9d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09917",
    "kind": "arxiv",
    "version": 3
  }
}