Pith Number

pith:4PGJ4MA2

pith:2018:4PGJ4MA2JLFXNNZ26MNNRZKQJU

not attested not anchored not stored refs pending

Attractor Reconstruction by Machine Learning

Brian R. Hunt, Edward Ott, Zhixin Lu

arxiv:1805.03362 v3 · 2018-05-09 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PGJ4MA2JLFXNNZ26MNNRZKQJU}

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	2026-05-18T00:09:24.867845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3cc9e301a4acb76b73af31ad8e5504d3bfa950b73822424c18d6da57905f11d

Aliases

arxiv: 1805.03362 · arxiv_version: 1805.03362v3 · doi: 10.48550/arxiv.1805.03362 · pith_short_12: 4PGJ4MA2JLFX · pith_short_16: 4PGJ4MA2JLFXNNZ2 · pith_short_8: 4PGJ4MA2

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/4PGJ4MA2JLFXNNZ26MNNRZKQJU \
  | 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: e3cc9e301a4acb76b73af31ad8e5504d3bfa950b73822424c18d6da57905f11d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d5239005e161b70f4f88588910a3d39c9180de5b4f5de28a40260863a32f12f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2018-05-09T03:44:13Z",
    "title_canon_sha256": "1e527f0ff0327be5c0ede11fad5458d2cc5cbcfcc21622974e9edfc4d7012939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03362",
    "kind": "arxiv",
    "version": 3
  }
}