Pith Number

pith:IEIIUYDI

pith:2018:IEIIUYDI67GNJZXJVA7YIXY47S

not attested not anchored not stored refs pending

Perturbations of Donoghue classes and inverse problems for L-systems

Eduard Tsekanovskii, Sergey Belyi

arxiv:1806.06329 v2 · 2018-06-17 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEIIUYDI67GNJZXJVA7YIXY47S}

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	2026-05-18T00:04:22.837640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41108a6068f7ccd4e6e9a83f845f1cfca47e45c8e57c5e1a31847349ef342e98

Aliases

arxiv: 1806.06329 · arxiv_version: 1806.06329v2 · doi: 10.48550/arxiv.1806.06329 · pith_short_12: IEIIUYDI67GN · pith_short_16: IEIIUYDI67GNJZXJ · pith_short_8: IEIIUYDI

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/IEIIUYDI67GNJZXJVA7YIXY47S \
  | 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: 41108a6068f7ccd4e6e9a83f845f1cfca47e45c8e57c5e1a31847349ef342e98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da9e790c035fdca80020a147c20e1b50ffb99466e2c001bbda6208bdb8657b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-06-17T02:55:16Z",
    "title_canon_sha256": "07b3bf94704b3f505df28e8afd13848bd29c35f5c1ad096a630bf3aaf600586a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06329",
    "kind": "arxiv",
    "version": 2
  }
}