Pith Number

pith:MJHZAQZU

pith:2017:MJHZAQZUEPPOP57AFC3A7WBHQX

not attested not anchored not stored refs pending

Toeplitz operators and Wiener-Hopf factorisation: an introduction

M. Cristina C\^amara

arxiv:1710.11572 v1 · 2017-10-31 · 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{MJHZAQZUEPPOP57AFC3A7WBHQX}

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	2026-05-18T00:31:36.911217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

624f90433423dee7f7e028b60fd82785f767d6f446e8ae7bc3b3123ab3ab42b5

Aliases

arxiv: 1710.11572 · arxiv_version: 1710.11572v1 · doi: 10.48550/arxiv.1710.11572 · pith_short_12: MJHZAQZUEPPO · pith_short_16: MJHZAQZUEPPOP57A · pith_short_8: MJHZAQZU

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/MJHZAQZUEPPOP57AFC3A7WBHQX \
  | 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: 624f90433423dee7f7e028b60fd82785f767d6f446e8ae7bc3b3123ab3ab42b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2096ca46b58bcdf1358cba9278f911e9a10817bcf033a22512974db7b13ff8da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-10-31T16:41:54Z",
    "title_canon_sha256": "64ea13e94fe35c74d263a879ea2aa842bbf6d969e96915a0616d14a3ffb3882e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11572",
    "kind": "arxiv",
    "version": 1
  }
}