Pith Number

pith:F5V52S3Y

pith:2016:F5V52S3YEAGYYCZRBIFA5PRHSN

not attested not anchored not stored refs pending

Non-Smooth Bifurcations of Uniformly Hyperbolic Invariant Manifolds in Skew Product Systems: Rigorous Results

Dan Str\"angberg, Jordi-Llu\'is Figueras

arxiv:1604.07481 v1 · 2016-04-26 · math-ph · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5V52S3YEAGYYCZRBIFA5PRHSN}

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	2026-05-18T01:16:19.704861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f6bdd4b78200d8c0b310a0a0ebe27936b8834295709708fb38e9fe2e9cb9cf3

Aliases

arxiv: 1604.07481 · arxiv_version: 1604.07481v1 · doi: 10.48550/arxiv.1604.07481 · pith_short_12: F5V52S3YEAGY · pith_short_16: F5V52S3YEAGYYCZR · pith_short_8: F5V52S3Y

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/F5V52S3YEAGYYCZRBIFA5PRHSN \
  | 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: 2f6bdd4b78200d8c0b310a0a0ebe27936b8834295709708fb38e9fe2e9cb9cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf96cd168462df0ac2c09bafb2879c709a60a24d4c7f63753c0a2fa2084dbd43",
    "cross_cats_sorted": [
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-04-26T00:01:40Z",
    "title_canon_sha256": "bc030c99e42d3d98b9b073c9e151cb5363c61d97546183751bdf176dc554c011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07481",
    "kind": "arxiv",
    "version": 1
  }
}