Pith Number

pith:URT7B244

pith:2011:URT7B2444QJUTUWIFHNHVBMBE5

not attested not anchored not stored refs pending

Tiled QR factorization algorithms

Henricus Bouwmeester, Julien Langou, Mathias Jacquelin, Yves Robert

arxiv:1104.4475 v1 · 2011-04-22 · 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{URT7B2444QJUTUWIFHNHVBMBE5}

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	2026-05-18T02:22:01.287285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a467f0eb9ce41349d2c829da7a858127500761d5b7dfbba67f3bc4a04cf5d021

Aliases

arxiv: 1104.4475 · arxiv_version: 1104.4475v1 · doi: 10.48550/arxiv.1104.4475 · pith_short_12: URT7B2444QJU · pith_short_16: URT7B2444QJUTUWI · pith_short_8: URT7B244

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/URT7B2444QJUTUWIFHNHVBMBE5 \
  | 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: a467f0eb9ce41349d2c829da7a858127500761d5b7dfbba67f3bc4a04cf5d021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe73a87fbbf11e9bab352dcb8b6f06cce336e673634c54c725342d9a49bc447",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-04-22T16:45:02Z",
    "title_canon_sha256": "4186341ace895baa15769faa5a89a6f5340536b6ac3d2b137f1fb7fa5ea27f1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4475",
    "kind": "arxiv",
    "version": 1
  }
}