Pith Number

pith:5SYEON4P

pith:2019:5SYEON4PTWJ4765TAKY4SGJ5JY

not attested not anchored not stored refs pending

Equation Discovery for Nonlinear System Identification

Ju\v{s} Kocijan, Ljup\v{c}o Todorovski, Nikola Simidjievski, Sa\v{s}o D\v{z}eroski

arxiv:1907.00821 v1 · 2019-07-01 · cs.LG · cs.SY · eess.SY · math.DS · 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{5SYEON4PTWJ4765TAKY4SGJ5JY}

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	2026-05-17T23:41:47.971150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecb047378f9d93cffbb302b1c9193d4e0dada771769d28e5941d8fe2d2388f9d

Aliases

arxiv: 1907.00821 · arxiv_version: 1907.00821v1 · doi: 10.48550/arxiv.1907.00821 · pith_short_12: 5SYEON4PTWJ4 · pith_short_16: 5SYEON4PTWJ4765T · pith_short_8: 5SYEON4P

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/5SYEON4PTWJ4765TAKY4SGJ5JY \
  | 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: ecb047378f9d93cffbb302b1c9193d4e0dada771769d28e5941d8fe2d2388f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1293be49e2add8770ba85141ba23fcd830f7f32cd24f2f785400f167d84d8545",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "math.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-01T14:28:40Z",
    "title_canon_sha256": "a948fa7f97a95903856f9e06cde7aecdf3ffeccc55eab5076743f672cfafc682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00821",
    "kind": "arxiv",
    "version": 1
  }
}