Pith Number

pith:66URBFPP

pith:2026:66URBFPPY6V4XNHB7O67CF6RTZ

not attested not anchored not stored refs pending

Universal Approximation Theorems for Dynamical Systems with Infinite-Time Horizon Guarantees

Abel Sagodi, Il Memming Park

arxiv:2602.08640 v3 · 2026-02-09 · math.DS · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66URBFPPY6V4XNHB7O67CF6RTZ}

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	2026-07-21T02:21:31.120335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a91095efc7abcbb4e1fbbdf117d19e5b9b550542dca0837bc1c13a81871218

Aliases

arxiv: 2602.08640 · arxiv_version: 2602.08640v3 · doi: 10.48550/arxiv.2602.08640 · pith_short_12: 66URBFPPY6V4 · pith_short_16: 66URBFPPY6V4XNHB · pith_short_8: 66URBFPP

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/66URBFPPY6V4XNHB7O67CF6RTZ \
  | 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: f7a91095efc7abcbb4e1fbbdf117d19e5b9b550542dca0837bc1c13a81871218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3590d0445fc8afcd1e4a63f89bc708b2abc648b3d0599a2022193d69385b3b",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2026-02-09T13:35:02Z",
    "title_canon_sha256": "7e2ffe5dd394a0678d231558cd8523eb8e752cb4c43c05eaa5b2b75240e1da30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.08640",
    "kind": "arxiv",
    "version": 3
  }
}