Pith Number

pith:W7ZR2L6W

pith:2018:W7ZR2L6WXORATSVR25JIGQ3RSX

not attested not anchored not stored refs pending

Grammar-based Representation and Identification of Dynamical Systems

Dhruv Khandelwal, Maarten Schoukens, Roland T\'oth

arxiv:1811.10576 v1 · 2018-11-26 · eess.SY · cs.FL · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7ZR2L6WXORATSVR25JIGQ3RSX}

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	2026-06-04T20:13:43.685726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f31d2fd6bba209cab1d75283437195c1afe6586bf13f48468467fd3883efaf

Aliases

arxiv: 1811.10576 · arxiv_version: 1811.10576v1 · doi: 10.48550/arxiv.1811.10576 · pith_short_12: W7ZR2L6WXORA · pith_short_16: W7ZR2L6WXORATSVR · pith_short_8: W7ZR2L6W

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/W7ZR2L6WXORATSVR25JIGQ3RSX \
  | 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: b7f31d2fd6bba209cab1d75283437195c1afe6586bf13f48468467fd3883efaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e989333cd28eadfc9265b72d8ab8d7a591f8bdaf88132f0fb97b19343d40269",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2018-11-26T18:30:55Z",
    "title_canon_sha256": "c1c156aeb3faf19636c21bced036102d53cdf4d553c64d6c0579829c91adc927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10576",
    "kind": "arxiv",
    "version": 1
  }
}