Pith Number

pith:R54BXYXL

pith:2024:R54BXYXLLTGCJWKKZ46GS2XJVQ

not attested not anchored not stored refs pending

Randomized Householder QR

Edouard Timsit, Laura Grigori

arxiv:2405.10923 v2 · 2024-05-17 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R54BXYXLLTGCJWKKZ46GS2XJVQ}

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

Randomized biorthogonalization through a two-sided Gram-Schmidt process

Receipt and verification

First computed	2026-07-05T08:21:55.234061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f781be2eb5ccc24d94acf3c696ae9ac260a9dbc06571fd3491c220037648ad4

Aliases

arxiv: 2405.10923 · arxiv_version: 2405.10923v2 · doi: 10.48550/arxiv.2405.10923 · pith_short_12: R54BXYXLLTGC · pith_short_16: R54BXYXLLTGCJWKK · pith_short_8: R54BXYXL

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/R54BXYXLLTGCJWKKZ46GS2XJVQ \
  | 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: 8f781be2eb5ccc24d94acf3c696ae9ac260a9dbc06571fd3491c220037648ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef5282c7037dc88b3cdbca0e0236a2b77c34fa0303a9912fd12dde7270c15323",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-05-17T17:22:14Z",
    "title_canon_sha256": "1e1f4f049df0247bbdb9a60e4c6c1a67053feccdb095af237faf4c08268ff020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.10923",
    "kind": "arxiv",
    "version": 2
  }
}