Pith Number

pith:KV7HFWCC

pith:2022:KV7HFWCC3IFKFJPREBGMQDVPLA

not attested not anchored not stored refs pending

Speeding Up Sparsification using Inner Product Search Data Structures

Lichen Zhang, Zhao Song, Zhaozhuo Xu

arxiv:2204.03209 v1 · 2022-04-07 · 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{KV7HFWCC3IFKFJPREBGMQDVPLA}

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	2026-07-05T04:12:20.942753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557e72d842da0aa2a5f1204cc80eaf583aad881fb7f1df44cbba8ad9ed325a3a

Aliases

arxiv: 2204.03209 · arxiv_version: 2204.03209v1 · doi: 10.48550/arxiv.2204.03209 · pith_short_12: KV7HFWCC3IFK · pith_short_16: KV7HFWCC3IFKFJPR · pith_short_8: KV7HFWCC

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/KV7HFWCC3IFKFJPREBGMQDVPLA \
  | 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: 557e72d842da0aa2a5f1204cc80eaf583aad881fb7f1df44cbba8ad9ed325a3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75342c74ed50e6f72f77e543b27d2de9443dad3124b584ec703109a3627b1b9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-04-07T04:49:06Z",
    "title_canon_sha256": "5025d8a878bc5fbb580cc39ac30a7596e5f3d54010d079e921dac6eb7dbe73b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03209",
    "kind": "arxiv",
    "version": 1
  }
}