Pith Number

pith:FANXYULZ

pith:2019:FANXYULZW6ZTQ3ZKL4KPGUA6ZB

not attested not anchored not stored refs pending

The parameterization method for center manifolds

Bob Rink, Jan Bouwe van den Berg, Wouter Hetebrij

arxiv:1905.00264 v1 · 2019-05-01 · 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{FANXYULZW6ZTQ3ZKL4KPGUA6ZB}

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	2026-05-17T23:47:13.297995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281b7c5179b7b3386f2a5f14f3501ec85e5445098c9b449715f1cdac771c1401

Aliases

arxiv: 1905.00264 · arxiv_version: 1905.00264v1 · doi: 10.48550/arxiv.1905.00264 · pith_short_12: FANXYULZW6ZT · pith_short_16: FANXYULZW6ZTQ3ZK · pith_short_8: FANXYULZ

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/FANXYULZW6ZTQ3ZKL4KPGUA6ZB \
  | 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: 281b7c5179b7b3386f2a5f14f3501ec85e5445098c9b449715f1cdac771c1401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "807ee655153733d1a10f59be336ca0eaf87e1aa62cfc5b062abb6ef9ed1cc8ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-05-01T11:15:54Z",
    "title_canon_sha256": "15a6c067e4a2fe748853c5076a287967a633046372034628a70a7c37d0fb30a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00264",
    "kind": "arxiv",
    "version": 1
  }
}