Pith Number

pith:OGSDBY7P

pith:2017:OGSDBY7POO3PKY7ZT6E7ZR72QS

not attested not anchored not stored refs pending

Toeplitz versus Hankel: semibounded operators

D. R. Yafaev

arxiv:1711.02614 v1 · 2017-11-07 · math.FA · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGSDBY7POO3PKY7ZT6E7ZR72QS}

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	2026-05-18T00:31:07.435062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a430e3ef73b6f563f99f89fcc7fa848bd71ca90bb65d62013e1ae37c2ecf5a

Aliases

arxiv: 1711.02614 · arxiv_version: 1711.02614v1 · doi: 10.48550/arxiv.1711.02614 · pith_short_12: OGSDBY7POO3P · pith_short_16: OGSDBY7POO3PKY7Z · pith_short_8: OGSDBY7P

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/OGSDBY7POO3PKY7ZT6E7ZR72QS \
  | 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: 71a430e3ef73b6f563f99f89fcc7fa848bd71ca90bb65d62013e1ae37c2ecf5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5840c9ab66afd6fe3d21a6807fa63027e161a906fb459272e3133c5154f8fa",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-11-07T17:21:34Z",
    "title_canon_sha256": "e98abe2e4a3ec990a49b319272f01e564be170e3e8b1a3f075d83fb6c7fb862a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02614",
    "kind": "arxiv",
    "version": 1
  }
}