Pith Number

pith:CAYPRKKE

pith:2026:CAYPRKKERFPIBEWUJ2IHWPKLJR

not attested not anchored not stored refs pending

Attractor Geometry Determines the Identifiability Limits of System Discovery

Fabio Anselmi, Matteo Gallo, Paolo Lazzari

arxiv:2607.18490 v1 · 2026-07-20 · cs.LG · 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{CAYPRKKERFPIBEWUJ2IHWPKLJR}

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	2026-07-22T00:22:51.243264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1030f8a944895e8092d44e907b3d4b4c50321b88e2f9fbbb15f795488e5a27c7

Aliases

arxiv: 2607.18490 · arxiv_version: 2607.18490v1 · doi: 10.48550/arxiv.2607.18490 · pith_short_12: CAYPRKKERFPI · pith_short_16: CAYPRKKERFPIBEWU · pith_short_8: CAYPRKKE

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/CAYPRKKERFPIBEWUJ2IHWPKLJR \
  | 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: 1030f8a944895e8092d44e907b3d4b4c50321b88e2f9fbbb15f795488e5a27c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3f2184b678f415ce794b2402b227c6567379c7be10eecdffbb98b74f5251d9",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-20T20:19:19Z",
    "title_canon_sha256": "d217db66b5806d687368c61b853e5ee0cf41d93081a50dc960d66bb1d61c73ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18490",
    "kind": "arxiv",
    "version": 1
  }
}