Pith Number

pith:EOXB5Z5A

pith:2019:EOXB5Z5AYMNSSUKT2N5NLIP7Z5

not attested not anchored not stored refs pending

Constructing Parsimonious Analytic Models for Dynamic Systems via Symbolic Regression

Erik Derner, Ji\v{r}\'i Kubal\'ik, Nicola Ancona, Robert Babu\v{s}ka

arxiv:1903.11483 v2 · 2019-03-27 · cs.LG · cs.NE · cs.RO · cs.SY · eess.SY · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOXB5Z5AYMNSSUKT2N5NLIP7Z5}

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	2026-06-04T20:14:18.293638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ae1ee7a0c31b295153d37ad5a1ffcf4901ceed4a6d44936a2d0838bc932633

Aliases

arxiv: 1903.11483 · arxiv_version: 1903.11483v2 · doi: 10.48550/arxiv.1903.11483 · pith_short_12: EOXB5Z5AYMNS · pith_short_16: EOXB5Z5AYMNSSUKT · pith_short_8: EOXB5Z5A

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/EOXB5Z5AYMNSSUKT2N5NLIP7Z5 \
  | 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: 23ae1ee7a0c31b295153d37ad5a1ffcf4901ceed4a6d44936a2d0838bc932633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6d4a9a4fa1ea4f8506974ec69e73b83e6d7ebd3b460a1676e3c83105a68e0c",
    "cross_cats_sorted": [
      "cs.NE",
      "cs.RO",
      "cs.SY",
      "eess.SY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-27T15:22:38Z",
    "title_canon_sha256": "f09c77591b30541aea5c396879455b59306c79290a751815351fcc4aa1cd4131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11483",
    "kind": "arxiv",
    "version": 2
  }
}