Pith Number

pith:QQIWCDGI

pith:2019:QQIWCDGIWSL6PAGGFH7N7S66FB

not attested not anchored not stored refs pending

Co-isometric weighted composition operators on Hilbert spaces of analytic functions

Alejandro Mas, Dragan Vukoti\'c, Mar\'ia J. Mart\'in

arxiv:1904.09026 v4 · 2019-04-18 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQIWCDGIWSL6PAGGFH7N7S66FB}

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	2026-07-05T02:57:05.241143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8411610cc8b497e780c629fedfcbde285f53dfe03803146d83a784871d35362b

Aliases

arxiv: 1904.09026 · arxiv_version: 1904.09026v4 · doi: 10.48550/arxiv.1904.09026 · pith_short_12: QQIWCDGIWSL6 · pith_short_16: QQIWCDGIWSL6PAGG · pith_short_8: QQIWCDGI

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/QQIWCDGIWSL6PAGGFH7N7S66FB \
  | 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: 8411610cc8b497e780c629fedfcbde285f53dfe03803146d83a784871d35362b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d9df2ab0b39770abe753bbb98ce0e5e6bf8f4397f3ddf3f11e030faf7b1185",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-04-18T22:14:50Z",
    "title_canon_sha256": "a2b0907eb0c13eb920d654cad2504ded4a004e52f4292dea15baeacd11765119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09026",
    "kind": "arxiv",
    "version": 4
  }
}