Pith Number

pith:NKSVGIOZ

pith:1995:NKSVGIOZOZA34P4SRLVWVUI2E5

not attested not anchored not stored refs pending

The Complete Classification of Rational Preperiodic Points of Quadratic Polynomials over Q: A Refined Conjecture

Bjorn Poonen

arxiv:math/9512217 v1 · 1995-12-11 · math.NT · 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{NKSVGIOZOZA34P4SRLVWVUI2E5}

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	2026-05-18T01:05:47.964140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa55321d97641be3f928aeb6ad11a276c4d07c35556826408f570a90d02c335

Aliases

arxiv: math/9512217 · arxiv_version: math/9512217v1 · doi: 10.48550/arxiv.math/9512217 · pith_short_12: NKSVGIOZOZA3 · pith_short_16: NKSVGIOZOZA34P4S · pith_short_8: NKSVGIOZ

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/NKSVGIOZOZA34P4SRLVWVUI2E5 \
  | 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: 6aa55321d97641be3f928aeb6ad11a276c4d07c35556826408f570a90d02c335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2149a5fa487c84c8dd0c1d0eb0dc36fa19d1c618c65f11de1dce5f64435db9",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "",
    "primary_cat": "math.NT",
    "submitted_at": "1995-12-11T00:00:00Z",
    "title_canon_sha256": "887c38eb39cac322efda780f853188f6ca9032ee0079b46855509cdebd5ec078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9512217",
    "kind": "arxiv",
    "version": 1
  }
}