Pith Number

pith:GUIAM3U4

pith:2019:GUIAM3U4UPACBCJVVC75E6JCOU

not attested not anchored not stored refs pending

A subclass of the Cowen-Douglas class and similarity

Hyun-Kyoung Kwon, Jaydeb Sarkar, Jing Xu, Kui Ji

arxiv:1912.06861 v2 · 2019-12-14 · 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{GUIAM3U4UPACBCJVVC75E6JCOU}

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	2026-07-05T02:26:26.066989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3510066e9ca3c0208935a8bfd2792275334122594ad9354a4d875f50bc125337

Aliases

arxiv: 1912.06861 · arxiv_version: 1912.06861v2 · doi: 10.48550/arxiv.1912.06861 · pith_short_12: GUIAM3U4UPAC · pith_short_16: GUIAM3U4UPACBCJV · pith_short_8: GUIAM3U4

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/GUIAM3U4UPACBCJVVC75E6JCOU \
  | 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: 3510066e9ca3c0208935a8bfd2792275334122594ad9354a4d875f50bc125337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84a42d170c498fe8bd4986f710da667828d712ad7cea1c74a4898489103b5c52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-12-14T15:10:11Z",
    "title_canon_sha256": "ef22bbaf92342a6bbe79a880a1a2c2c39d4f1c6fc1343bed4093d42b0dfe4b61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06861",
    "kind": "arxiv",
    "version": 2
  }
}