Pith Number

pith:4WJOP27U

pith:2019:4WJOP27UQ463QF5IY5ITCU3QAS

not attested not anchored not stored refs pending

LU factorization with errors *

Cl\'ement Pernet (CASYS), Daniel Roche, Jean-Guillaume Dumas (CASYS), Joris Van Der Hoeven (CNRS, LIX)

arxiv:1901.10730 v1 · 2019-01-30 · cs.SC · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WJOP27UQ463QF5IY5ITCU3QAS}

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	2026-05-17T23:55:06.157329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e592e7ebf4873db817a8c75131537004a0a6a78a21fa6040478c8575555408c3

Aliases

arxiv: 1901.10730 · arxiv_version: 1901.10730v1 · doi: 10.48550/arxiv.1901.10730 · pith_short_12: 4WJOP27UQ463 · pith_short_16: 4WJOP27UQ463QF5I · pith_short_8: 4WJOP27U

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/4WJOP27UQ463QF5IY5ITCU3QAS \
  | 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: e592e7ebf4873db817a8c75131537004a0a6a78a21fa6040478c8575555408c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc62924f6d894d0162bf28763b182a633829f56aede741d8e9785f27462701d",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2019-01-30T09:51:16Z",
    "title_canon_sha256": "683a9b3784ab93412d25eff50f6f7f2fa701d136b72cbfec1c0ac3b251c83cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10730",
    "kind": "arxiv",
    "version": 1
  }
}