Pith Number

pith:UNFWXJYC

pith:2019:UNFWXJYCQVHLMUEZJZAHOWCKWX

not attested not anchored not stored refs pending

New characterizations for the essential norms of generalized weighted composition operators between Zygmund type spaces

Amir H. Sanatpour, Mostafa Hassanlou

arxiv:1903.12383 v1 · 2019-03-29 · 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{UNFWXJYCQVHLMUEZJZAHOWCKWX}

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	2026-05-17T23:49:54.206378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34b6ba702854eb650994e4077584ab5df398e5ebd80bd23de2a0ea6e8169f3c

Aliases

arxiv: 1903.12383 · arxiv_version: 1903.12383v1 · doi: 10.48550/arxiv.1903.12383 · pith_short_12: UNFWXJYCQVHL · pith_short_16: UNFWXJYCQVHLMUEZ · pith_short_8: UNFWXJYC

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/UNFWXJYCQVHLMUEZJZAHOWCKWX \
  | 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: a34b6ba702854eb650994e4077584ab5df398e5ebd80bd23de2a0ea6e8169f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48cd41cb216a7d0add66f5de4c94b4df29d5fd5af392486fbcdfb19c33de513c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-03-29T08:03:04Z",
    "title_canon_sha256": "1d4c34e53c51b3575782baae748e6f72e7caffc2db236e4db640ac4e50f1e85f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12383",
    "kind": "arxiv",
    "version": 1
  }
}