Pith Number

pith:PPHOMIYC

pith:2015:PPHOMIYC23SWIM3RNF6KDLLXXZ

not attested not anchored not stored refs pending

Randomized LU decomposition: An Algorithm for Dictionaries Construction

Amir Averbuch, Aviv Rotbart, Gil Shabat, Yaniv Shmueli

arxiv:1502.04824 v2 · 2015-02-17 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPHOMIYC23SWIM3RNF6KDLLXXZ}

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	2026-05-18T00:25:02.474141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bcee62302d6e5643371697ca1ad77be6240424ad35396ae09b72c2b9af3dc77

Aliases

arxiv: 1502.04824 · arxiv_version: 1502.04824v2 · doi: 10.48550/arxiv.1502.04824 · pith_short_12: PPHOMIYC23SW · pith_short_16: PPHOMIYC23SWIM3R · pith_short_8: PPHOMIYC

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/PPHOMIYC23SWIM3RNF6KDLLXXZ \
  | 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: 7bcee62302d6e5643371697ca1ad77be6240424ad35396ae09b72c2b9af3dc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b420da2104f4afad90503ec3a3716a73ba77da84e48d740c372a42deee661cca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-17T08:18:00Z",
    "title_canon_sha256": "eaaae04e378c859c95bf41241592bf7c262a735213324e8320ff5fcb2fb0b4bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04824",
    "kind": "arxiv",
    "version": 2
  }
}