Pith Number

pith:VQZBSTLQ

pith:2019:VQZBSTLQKZCATNDSCQO3YGDFEM

not attested not anchored not stored refs pending

Understanding and Improving Proximity Graph based Maximum Inner Product Search

James Cheng, Jie Liu, Ming-Chang Yang, Xiao Yan, Xinyan Dai, Zhirong Li

arxiv:1909.13459 v2 · 2019-09-30 · cs.IR · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQZBSTLQKZCATNDSCQO3YGDFEM}

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	2026-07-05T00:24:41.604093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac32194d70564409b472141dbc18652327c52763b216455e0567a7803dfd7511

Aliases

arxiv: 1909.13459 · arxiv_version: 1909.13459v2 · doi: 10.48550/arxiv.1909.13459 · pith_short_12: VQZBSTLQKZCA · pith_short_16: VQZBSTLQKZCATNDS · pith_short_8: VQZBSTLQ

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/VQZBSTLQKZCATNDSCQO3YGDFEM \
  | 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: ac32194d70564409b472141dbc18652327c52763b216455e0567a7803dfd7511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53b7968adc9544fdf2178393dc576a6ffe355c17c91a3bda7c559e1fc05eba70",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-09-30T05:12:49Z",
    "title_canon_sha256": "6bc9146787698ee167c1e0d24db085ec9a02e7d38295b55886e5cc8172ddb5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13459",
    "kind": "arxiv",
    "version": 2
  }
}