Pith Number

pith:KX44RP4U

pith:2011:KX44RP4UYIQMPRSLOHWXFYPYPL

not attested not anchored not stored refs pending

Symbolic dynamics for surface diffeomorphisms with positive topological entropy

Omri Sarig

arxiv:1105.1650 v3 · 2011-05-09 · 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{KX44RP4UYIQMPRSLOHWXFYPYPL}

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	2026-05-18T04:14:27.400045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55f9c8bf94c220c7c64b71ed72e1f87afbf8fdd25ba6aa08bad3558f024ac317

Aliases

arxiv: 1105.1650 · arxiv_version: 1105.1650v3 · doi: 10.48550/arxiv.1105.1650 · pith_short_12: KX44RP4UYIQM · pith_short_16: KX44RP4UYIQMPRSL · pith_short_8: KX44RP4U

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/KX44RP4UYIQMPRSLOHWXFYPYPL \
  | 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: 55f9c8bf94c220c7c64b71ed72e1f87afbf8fdd25ba6aa08bad3558f024ac317

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d451abff78e6e3e2db6c97ac695b0e3424dd8fee73250c7bd0b035c695034f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-05-09T12:08:17Z",
    "title_canon_sha256": "38512b6ce1975e6e6ce2a4e7f43a59a9d34f738787813249654bc8cc9ee605d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1650",
    "kind": "arxiv",
    "version": 3
  }
}