Pith Number

pith:E43ZAXHT

pith:2026:E43ZAXHTLZZJDAA6QI5RHZYKOM

not attested not anchored not stored refs pending

Block-Sphere Vector Quantization

Heesang Ann, Joongkyu Lee, Min-hwan Oh

arxiv:2605.19972 v1 · 2026-05-19 · cs.LG · cs.AI · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E43ZAXHTLZZJDAA6QI5RHZYKOM}

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	2026-05-20T02:05:57.734011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2737905cf35e7291801e823b13e70a73346ea7ba795ad8919aa81585692959c0

Aliases

arxiv: 2605.19972 · arxiv_version: 2605.19972v1 · doi: 10.48550/arxiv.2605.19972 · pith_short_12: E43ZAXHTLZZJ · pith_short_16: E43ZAXHTLZZJDAA6 · pith_short_8: E43ZAXHT

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/E43ZAXHTLZZJDAA6QI5RHZYKOM \
  | 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: 2737905cf35e7291801e823b13e70a73346ea7ba795ad8919aa81585692959c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41edf4fd8f2016a59f425a6064105d4d82eb52ba9aeeb47874e8391d1d1e356",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-19T15:18:56Z",
    "title_canon_sha256": "65126fa3c37e3f00d14a36f25beb0922f1f1e59ff436493993db79bf068b66fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19972",
    "kind": "arxiv",
    "version": 1
  }
}