Pith Number

pith:FFS5QVGI

pith:2017:FFS5QVGIUXZSUZN5OKXFKTFTGR

not attested not anchored not stored refs pending

Computational intractability of attractors in the real quadratic family

Cristobal Rojas, Michael Yampolsky

arxiv:1703.04660 v1 · 2017-03-14 · 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{FFS5QVGIUXZSUZN5OKXFKTFTGR}

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	2026-05-18T00:48:39.492105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2965d854c8a5f32a65bd72ae554cb3344f6aa2282be8734eda1e26d450864ae5

Aliases

arxiv: 1703.04660 · arxiv_version: 1703.04660v1 · doi: 10.48550/arxiv.1703.04660 · pith_short_12: FFS5QVGIUXZS · pith_short_16: FFS5QVGIUXZSUZN5 · pith_short_8: FFS5QVGI

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/FFS5QVGIUXZSUZN5OKXFKTFTGR \
  | 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: 2965d854c8a5f32a65bd72ae554cb3344f6aa2282be8734eda1e26d450864ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89db96061b65655bcf05c806ee3655f18a71f6439d8a6fe2cd1ce7adcc80f993",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-03-14T18:47:47Z",
    "title_canon_sha256": "5959747d7c65d882947f60c67170f74871a1e909b8c4c2306fdd4e974df19a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04660",
    "kind": "arxiv",
    "version": 1
  }
}