Pith Number

pith:LJRZNZBO

pith:2014:LJRZNZBOS75AE4HC5NUXEEEEVR

not attested not anchored not stored refs pending

Non-computable impressions of computable external rays of quadratic polynomials

Cristobal Rojas, Ilia Binder, Michael Yampolsky

arxiv:1402.0440 v1 · 2014-02-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJRZNZBOS75AE4HC5NUXEEEEVR}

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	2026-05-18T01:44:53.360463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a6396e42e97fa0270e2eb69721084ac6e0abfbe06f0794741e632d585a60cc6

Aliases

arxiv: 1402.0440 · arxiv_version: 1402.0440v1 · doi: 10.48550/arxiv.1402.0440 · pith_short_12: LJRZNZBOS75A · pith_short_16: LJRZNZBOS75AE4HC · pith_short_8: LJRZNZBO

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/LJRZNZBOS75AE4HC5NUXEEEEVR \
  | 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: 5a6396e42e97fa0270e2eb69721084ac6e0abfbe06f0794741e632d585a60cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06214d7a18012e1e816d9b9be6b1a5025de2b19c26d30fa249166eb3b84b5bce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-02-03T17:32:13Z",
    "title_canon_sha256": "fdcb8d3a24d421918b80ab5463bd1ac323bbd1e408ba4200cfaab18e87b2ed0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0440",
    "kind": "arxiv",
    "version": 1
  }
}