Pith Number

pith:ZJ6AEJOL

pith:2009:ZJ6AEJOLRBZG76XX5KKWZRLLVD

not attested not anchored not stored refs pending

Simultaneous Border-Collision and Period-Doubling Bifurcations

David J.W. Simpson, James D. Meiss

arxiv:0905.3730 v1 · 2009-05-22 · 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{ZJ6AEJOLRBZG76XX5KKWZRLLVD}

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	2026-05-18T02:13:37.951030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca7c0225cb88726ffaf7ea956cc56ba8f5eb4093cc3841c90b494d0bbe52611e

Aliases

arxiv: 0905.3730 · arxiv_version: 0905.3730v1 · doi: 10.48550/arxiv.0905.3730 · pith_short_12: ZJ6AEJOLRBZG · pith_short_16: ZJ6AEJOLRBZG76XX · pith_short_8: ZJ6AEJOL

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/ZJ6AEJOLRBZG76XX5KKWZRLLVD \
  | 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: ca7c0225cb88726ffaf7ea956cc56ba8f5eb4093cc3841c90b494d0bbe52611e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90fa8fc45e1a77b77888703b98417fe94631cd56ba54d08e214f9d57bea2b4f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-05-22T17:23:33Z",
    "title_canon_sha256": "33117870f3dc04424a05bb3e6007da3366271c26f0c6ff89e0430368030ee9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3730",
    "kind": "arxiv",
    "version": 1
  }
}