Pith Number

pith:5DDC27QB

pith:2021:5DDC27QBRU25PZE25OGLIRSKQG

not attested not anchored not stored refs pending

Locality Sensitive Hash Aggregated Nonlinear Neighbourhood Matrix Factorization for Online Sparse Big Data Analysis

Fan Wu, Hao Li, Kenli Li, Keqin Li, Lydia Chen, Zixuan Li

arxiv:2111.11682 v1 · 2021-11-23 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DDC27QBRU25PZE25OGLIRSKQG}

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	2026-07-05T03:34:11.617458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c62d7e018d35d7e49aeb8cb4464a819d2ce7ce06f957ab62640b8af132d83b

Aliases

arxiv: 2111.11682 · arxiv_version: 2111.11682v1 · doi: 10.48550/arxiv.2111.11682 · pith_short_12: 5DDC27QBRU25 · pith_short_16: 5DDC27QBRU25PZE2 · pith_short_8: 5DDC27QB

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/5DDC27QBRU25PZE25OGLIRSKQG \
  | 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: e8c62d7e018d35d7e49aeb8cb4464a819d2ce7ce06f957ab62640b8af132d83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc23b6912667da64b97d778838ee10ce576f726faf2822e992388a31965b286",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-11-23T07:07:55Z",
    "title_canon_sha256": "0f500b3619e006829e2d41eb0e7d87496e8632279e4e06a181e729f051ea7277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11682",
    "kind": "arxiv",
    "version": 1
  }
}