Pith Number

pith:MQEQ7ARC

pith:2022:MQEQ7ARC3SRP6KFURDX5Z24JMD

not attested not anchored not stored refs pending

A Dynamic Low-Rank Fast Gaussian Transform

Baihe Huang, Hengjie Zhang, Junze Yin, Omri Weinstein, Ruizhe Zhang, Zhao Song

arxiv:2202.12329 v2 · 2022-02-24 · 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{MQEQ7ARC3SRP6KFURDX5Z24JMD}

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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-07-05T07:41:36.227238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64090f8222dca2ff28b488efdceb8960f65497a60029618207636ce26ded0dac

Aliases

arxiv: 2202.12329 · arxiv_version: 2202.12329v2 · doi: 10.48550/arxiv.2202.12329 · pith_short_12: MQEQ7ARC3SRP · pith_short_16: MQEQ7ARC3SRP6KFU · pith_short_8: MQEQ7ARC

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/MQEQ7ARC3SRP6KFURDX5Z24JMD \
  | 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: 64090f8222dca2ff28b488efdceb8960f65497a60029618207636ce26ded0dac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72afb24f6ab8aa4d3813b966657e305f335033adad80b9ca3d3e91e2bd667bee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-02-24T19:33:58Z",
    "title_canon_sha256": "bbed0f71ed24d4f7a31edcbeac8bd77d3386db41e71d43a7daefe09696a2e890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12329",
    "kind": "arxiv",
    "version": 2
  }
}