Pith Number

pith:QGS7Z2MS

pith:2022:QGS7Z2MSVYOKZQSY6IEQQQ4ZDF

not attested not anchored not stored refs pending

Unpredictability and basin entropy

Alexandre Wagemakers, Alvar Daza, Miguel A. F. Sanju\'an

arxiv:2212.14228 v1 · 2022-12-29 · 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{QGS7Z2MSVYOKZQSY6IEQQQ4ZDF}

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	2026-07-05T05:38:22.478058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a5fce992ae1cacc258f20908439919493f15aaa4f9ba5a2beb3b9312acc51c

Aliases

arxiv: 2212.14228 · arxiv_version: 2212.14228v1 · doi: 10.48550/arxiv.2212.14228 · pith_short_12: QGS7Z2MSVYOK · pith_short_16: QGS7Z2MSVYOKZQSY · pith_short_8: QGS7Z2MS

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/QGS7Z2MSVYOKZQSY6IEQQQ4ZDF \
  | 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: 81a5fce992ae1cacc258f20908439919493f15aaa4f9ba5a2beb3b9312acc51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f1ac0b4c60973df3e26e8305cae25a0d5539c84296928a78eabc3385f7607a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2022-12-29T08:58:46Z",
    "title_canon_sha256": "27dc06202680f3012dbfeebb2e6fc74d206b85c3a82f359e4bdafaa6fc865d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.14228",
    "kind": "arxiv",
    "version": 1
  }
}