Pith Number

pith:3YPREGKE

pith:2015:3YPREGKEMKY5QYEGVACB2VESVN

not attested not anchored not stored refs pending

Shy shadows of infinite-dimensional partially hyperbolic invariant sets

Daniel Smania

arxiv:1508.07388 v2 · 2015-08-29 · math.DS · math.AP · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YPREGKEMKY5QYEGVACB2VESVN}

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	2026-05-17T23:50:16.695454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de1f12194462b1d86086a8041d5492ab428c50ae5b7e692cfe0adf2d08ac26c0

Aliases

arxiv: 1508.07388 · arxiv_version: 1508.07388v2 · doi: 10.48550/arxiv.1508.07388 · pith_short_12: 3YPREGKEMKY5 · pith_short_16: 3YPREGKEMKY5QYEG · pith_short_8: 3YPREGKE

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/3YPREGKEMKY5QYEGVACB2VESVN \
  | 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: de1f12194462b1d86086a8041d5492ab428c50ae5b7e692cfe0adf2d08ac26c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a4a327d6d435fb9474f85d815e015e150f9ed3c9977951b161d674fc8fe63dc",
    "cross_cats_sorted": [
      "math.AP",
      "math.CA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-08-29T02:50:31Z",
    "title_canon_sha256": "4ba0b042dbc9330c855f709342ce56434ee8815cbf69219cc9123d7bc72ff302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07388",
    "kind": "arxiv",
    "version": 2
  }
}