Pith Number

pith:JOGK67KR

pith:2020:JOGK67KRTYQ73QGH5AASIDH2TW

not attested not anchored not stored refs pending

Quaternion Hardy Functions for Local Images Feature Representation

Kit Ian Kou, Xiaoxiao Hu, Yangxing Ting

arxiv:2002.02262 v1 · 2020-02-06 · eess.IV · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOGK67KRTYQ73QGH5AASIDH2TW}

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	2026-07-05T00:38:50.562393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b8caf7d519e21fdc0c7e801240cfa9d86c04e9c8284f4dba8938679f8a5363c

Aliases

arxiv: 2002.02262 · arxiv_version: 2002.02262v1 · doi: 10.48550/arxiv.2002.02262 · pith_short_12: JOGK67KRTYQ7 · pith_short_16: JOGK67KRTYQ73QGH · pith_short_8: JOGK67KR

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/JOGK67KRTYQ73QGH5AASIDH2TW \
  | 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: 4b8caf7d519e21fdc0c7e801240cfa9d86c04e9c8284f4dba8938679f8a5363c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c240bacbb9119591a8b196e3c7ee8534bb52796699988ddb6c23b38b4628809c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-02-06T14:04:12Z",
    "title_canon_sha256": "bf2db37b6bf700f5136122f990ea36697cc986b0568ddeb077bccaf5e9827b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02262",
    "kind": "arxiv",
    "version": 1
  }
}