Pith Number

pith:DXSBS5DV

pith:2015:DXSBS5DVUSDR5I5YSGIG3YIBUK

not attested not anchored not stored refs pending

Equi-topological entropy curves for skew tent maps in the square

Gabriella Keszthelyi, Zoltan Buczolich

arxiv:1512.05146 v2 · 2015-12-16 · math.DS · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DXSBS5DVUSDR5I5YSGIG3YIBUK}

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	2026-05-18T01:16:34.797137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de4197475a4871ea3b891906de101a2a5dfe47a96b36b57f072578c225b4a41

Aliases

arxiv: 1512.05146 · arxiv_version: 1512.05146v2 · doi: 10.48550/arxiv.1512.05146 · pith_short_12: DXSBS5DVUSDR · pith_short_16: DXSBS5DVUSDR5I5Y · pith_short_8: DXSBS5DV

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/DXSBS5DVUSDR5I5YSGIG3YIBUK \
  | 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: 1de4197475a4871ea3b891906de101a2a5dfe47a96b36b57f072578c225b4a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9bdb27854441c99be3e98a725c7e80c51977e562c1c16ae01281493061250eb",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-12-16T12:32:51Z",
    "title_canon_sha256": "475eeae30d0981d20009da809645e18ef76152a8c788f796d2dc2d37ba90ebac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05146",
    "kind": "arxiv",
    "version": 2
  }
}