Pith Number

pith:OHENCZ3V

pith:2012:OHENCZ3VPUQJU7CMS25XZ5C7NV

not attested not anchored not stored refs pending

Tan Lei and Shishikura's example of non-mateable degree 3 polynomials without a Levy cycle

Arnaud Ch\'eritat

arxiv:1202.4188 v1 · 2012-02-19 · math.DS · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHENCZ3VPUQJU7CMS25XZ5C7NV}

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	2026-05-18T04:01:52.061798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71c8d167757d209a7c4c96bb7cf45f6d5e7ca9b6460708a2291f2bce7b5c027d

Aliases

arxiv: 1202.4188 · arxiv_version: 1202.4188v1 · doi: 10.48550/arxiv.1202.4188 · pith_short_12: OHENCZ3VPUQJ · pith_short_16: OHENCZ3VPUQJU7CM · pith_short_8: OHENCZ3V

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/OHENCZ3VPUQJU7CMS25XZ5C7NV \
  | 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: 71c8d167757d209a7c4c96bb7cf45f6d5e7ca9b6460708a2291f2bce7b5c027d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1746cd6d51cf7bb4c6dc28e276019aa61344261df7923403de532cf91193550",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-19T21:33:53Z",
    "title_canon_sha256": "45e0accf7f62c3a67003a32e57908df8eeaa9609d4b668bb6eba443271547762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4188",
    "kind": "arxiv",
    "version": 1
  }
}