Pith Number

pith:RO6BYLYQ

pith:2026:RO6BYLYQLNY2Q4YTKIBDO3O7OC

not attested not anchored not stored refs pending

Structural functional identifiability and model discovery in differential equation models

Alexander P Browning, Ruth E Baker, Torkel E Loman

arxiv:2606.30289 v1 · 2026-06-29 · math.ST · math.DS · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RO6BYLYQLNY2Q4YTKIBDO3O7OC}

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	2026-06-30T02:17:57.560711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bbc1c2f105b71a873135202376ddf708ea802e5cf8602a3a73b1eaa43dd9467

Aliases

arxiv: 2606.30289 · arxiv_version: 2606.30289v1 · doi: 10.48550/arxiv.2606.30289 · pith_short_12: RO6BYLYQLNY2 · pith_short_16: RO6BYLYQLNY2Q4YT · pith_short_8: RO6BYLYQ

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/RO6BYLYQLNY2Q4YTKIBDO3O7OC \
  | 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: 8bbc1c2f105b71a873135202376ddf708ea802e5cf8602a3a73b1eaa43dd9467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e690ae88c85f2cef832e91ad89a87fc14a710ce72fc3eab378e8c882c339bec2",
    "cross_cats_sorted": [
      "math.DS",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-06-29T13:30:46Z",
    "title_canon_sha256": "78f42308311e6c0ea588499d9a6584c09da66affcf14964360b2760a0893d5e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30289",
    "kind": "arxiv",
    "version": 1
  }
}