Pith Number

pith:DDAHDPLJ

pith:2000:DDAHDPLJDYRDDLZ6CABDEKEZAE

not attested not anchored not stored refs pending

Absence of supersensitivity to small input signals in generalized on--off systems

Eurico Covas, Reza Tavakol

arxiv:nlin/0005069 v1 · 2000-05-31 · 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{DDAHDPLJDYRDDLZ6CABDEKEZAE}

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	2026-07-04T14:41:35.569115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c071bd691e2231af3e100232289901106a098355121c38ab898ad9fa4f8dd3

Aliases

arxiv: nlin/0005069 · arxiv_version: nlin/0005069v1 · doi: 10.48550/arxiv.nlin/0005069 · pith_short_12: DDAHDPLJDYRD · pith_short_16: DDAHDPLJDYRDDLZ6 · pith_short_8: DDAHDPLJ

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/DDAHDPLJDYRDDLZ6CABDEKEZAE \
  | 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: 18c071bd691e2231af3e100232289901106a098355121c38ab898ad9fa4f8dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f92c6aeedb54c8250c249302441270b335fe1aa1d07e1a56f3a8cd8d47c4637",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2000-05-31T17:42:02Z",
    "title_canon_sha256": "e08342f8c11c0a8ea82cf3cc810d2a8fa6e765ec7cf152e353baeea43d06bc63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0005069",
    "kind": "arxiv",
    "version": 1
  }
}