Pith Number

pith:NXFJZFCO

pith:2016:NXFJZFCO63JM4BIB4QDKZGRFKI

not attested not anchored not stored refs pending

The complexity of the topological conjugacy problem for Toeplitz subshifts

Burak Kaya

arxiv:1602.08179 v2 · 2016-02-26 · math.LO · 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{NXFJZFCO63JM4BIB4QDKZGRFKI}

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	2026-05-18T00:41:18.459181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dca9c944ef6d2ce0501e406ac9a2552192164978b4a31eb3df4afa97304c19c

Aliases

arxiv: 1602.08179 · arxiv_version: 1602.08179v2 · doi: 10.48550/arxiv.1602.08179 · pith_short_12: NXFJZFCO63JM · pith_short_16: NXFJZFCO63JM4BIB · pith_short_8: NXFJZFCO

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/NXFJZFCO63JM4BIB4QDKZGRFKI \
  | 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: 6dca9c944ef6d2ce0501e406ac9a2552192164978b4a31eb3df4afa97304c19c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9e27b7d06c2cc8810db3c7b5655063778db06b1be1d568b578b93ecdd211848",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-02-26T02:43:49Z",
    "title_canon_sha256": "a149e99549f3663f3a37f44e0fee69f9136f2b952819b0a5493934d23e53952a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08179",
    "kind": "arxiv",
    "version": 2
  }
}