Pith Number

pith:HTG6RR6O

pith:2019:HTG6RR6OIKMCUMCYP5UWFIDCES

not attested not anchored not stored refs pending

Physics-Informed Echo State Networks for Chaotic Systems Forecasting

Luca Magri, Nguyen Anh Khoa Doan, Wolfgang Polifke

arxiv:1906.11122 v1 · 2019-04-09 · physics.soc-ph · cs.ET · cs.LG · cs.NE · 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{HTG6RR6OIKMCUMCYP5UWFIDCES}

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	2026-05-17T23:42:07.675031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ccde8c7ce42982a30587f6962a06224a05ab0ccef4da8676458082d9691316b

Aliases

arxiv: 1906.11122 · arxiv_version: 1906.11122v1 · doi: 10.48550/arxiv.1906.11122 · pith_short_12: HTG6RR6OIKMC · pith_short_16: HTG6RR6OIKMCUMCY · pith_short_8: HTG6RR6O

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/HTG6RR6OIKMCUMCYP5UWFIDCES \
  | 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: 3ccde8c7ce42982a30587f6962a06224a05ab0ccef4da8676458082d9691316b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f916b27b8029d17e8148500c8d3f3571fa4d2716ac18d12d7890e9133d3df5d",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.LG",
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-04-09T10:01:56Z",
    "title_canon_sha256": "3de6232a8a1201c2e9d16d02f698de6e3673dfe4ca9ea23db296eb19103951f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11122",
    "kind": "arxiv",
    "version": 1
  }
}