Pith Number

pith:6B3PPXET

pith:2015:6B3PPXETTAGTZ72NZNTN2PN2UQ

not attested not anchored not stored refs pending

Continuity of topological entropy for perturbations of time-one maps of hyperbolic flows

Jiagang Yang, Radu Saghin

arxiv:1503.03926 v1 · 2015-03-13 · 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{6B3PPXETTAGTZ72NZNTN2PN2UQ}

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	2026-05-18T02:23:57.750580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f076f7dc93980d3cff4dcb66dd3dbaa4020f8c5fb22dc2d506c81bec9dd8dd5c

Aliases

arxiv: 1503.03926 · arxiv_version: 1503.03926v1 · doi: 10.48550/arxiv.1503.03926 · pith_short_12: 6B3PPXETTAGT · pith_short_16: 6B3PPXETTAGTZ72N · pith_short_8: 6B3PPXET

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/6B3PPXETTAGTZ72NZNTN2PN2UQ \
  | 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: f076f7dc93980d3cff4dcb66dd3dbaa4020f8c5fb22dc2d506c81bec9dd8dd5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a40c5b280be9c8d9124effa3f462e7e56430e47347ef096b20074e690c33117",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-03-13T01:34:31Z",
    "title_canon_sha256": "a6b6abf5921a420c0901d4a5645701e124b895e1b9623fb2fcc0e8b8b7806e11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03926",
    "kind": "arxiv",
    "version": 1
  }
}