Pith Number

pith:4YDQUGPE

pith:2018:4YDQUGPEY7IWSPOYGYZSAYLRDS

not attested not anchored not stored refs pending

A brief survey on operator theory in $H^2(\mathbb D^2)$

Rongwei Yang

arxiv:1810.00133 v4 · 2018-09-29 · 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{4YDQUGPEY7IWSPOYGYZSAYLRDS}

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	2026-05-17T23:58:30.449006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6070a19e4c7d1693dd836332061711c9405034069d19e8e64698df73603fbb9

Aliases

arxiv: 1810.00133 · arxiv_version: 1810.00133v4 · doi: 10.48550/arxiv.1810.00133 · pith_short_12: 4YDQUGPEY7IW · pith_short_16: 4YDQUGPEY7IWSPOY · pith_short_8: 4YDQUGPE

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/4YDQUGPEY7IWSPOYGYZSAYLRDS \
  | 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: e6070a19e4c7d1693dd836332061711c9405034069d19e8e64698df73603fbb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83b9299e459b1c2cae94b48cc9aa48a0ee6f079cba6c48ec8b67dcd4d6c7f71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-09-29T01:56:48Z",
    "title_canon_sha256": "56fe010d5247c9c28f54cc701d46d96bfdea44a0f6ccdfd24c9ec463d04de59e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00133",
    "kind": "arxiv",
    "version": 4
  }
}