Pith Number

pith:Z2FJMWY6

pith:2018:Z2FJMWY6K4BBJBEPWTJAEQKXQR

not attested not anchored not stored refs pending

$C_0$-semigroups of $m$-isometries on Hilbert spaces

A. bonilla, H. Zaway, T. Bermudez

arxiv:1810.07494 v1 · 2018-10-17 · 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{Z2FJMWY6K4BBJBEPWTJAEQKXQR}

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	2026-05-18T00:02:56.197206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce8a965b1e570214848fb4d2024157847e1561b47be8abaacd6c9f5bd3bea546

Aliases

arxiv: 1810.07494 · arxiv_version: 1810.07494v1 · doi: 10.48550/arxiv.1810.07494 · pith_short_12: Z2FJMWY6K4BB · pith_short_16: Z2FJMWY6K4BBJBEP · pith_short_8: Z2FJMWY6

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/Z2FJMWY6K4BBJBEPWTJAEQKXQR \
  | 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: ce8a965b1e570214848fb4d2024157847e1561b47be8abaacd6c9f5bd3bea546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3f1460dbd80dd9887f231cb33c3bf2f0e51022ecd7e70bde6ef5671dd4f79d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-10-17T11:57:35Z",
    "title_canon_sha256": "f750ed37f0a1ac17de10642e6ccf3ad6b4e50d359ff0155a30efa7a251e6b15d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07494",
    "kind": "arxiv",
    "version": 1
  }
}