Pith Number

pith:4MCB4YF2

pith:2023:4MCB4YF2GYAISQX4G52POPGJJV

not attested not anchored not stored refs pending

Benchmarking sparse system identification with low-dimensional chaos

Alan A. Kaptanoglu, Lanyue Zhang, Steven L. Brunton, Urban Fasel, Zachary G. Nicolaou

arxiv:2302.10787 v1 · 2023-02-04 · cs.LG · cs.SY · eess.SY · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MCB4YF2GYAISQX4G52POPGJJV}

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	2026-07-05T05:44:21.826289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3041e60ba36008942fc3774f73cc94d485cc0fa709c4a03af8f54d0cdb84806

Aliases

arxiv: 2302.10787 · arxiv_version: 2302.10787v1 · doi: 10.48550/arxiv.2302.10787 · pith_short_12: 4MCB4YF2GYAI · pith_short_16: 4MCB4YF2GYAISQX4 · pith_short_8: 4MCB4YF2

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/4MCB4YF2GYAISQX4G52POPGJJV \
  | 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: e3041e60ba36008942fc3774f73cc94d485cc0fa709c4a03af8f54d0cdb84806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc494a607373c2b22e0640d0b6fb0e27da92553c1eafca20c56021a1b3035f60",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-02-04T18:49:52Z",
    "title_canon_sha256": "b6c474626c2d1774d59f90741fc294dde1238cd048e35e7c5ae537e295d2a571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.10787",
    "kind": "arxiv",
    "version": 1
  }
}