Pith Number

pith:MDGSVBJS

pith:2025:MDGSVBJS7LFEBYGOVJV22G7BPF

not attested not anchored not stored refs pending

Towards an Efficient Shifted Cholesky QR for Applications in Model Order Reduction using pyMOR

Art J. R. Pelling, Jens Saak, Maximilian Bindhak

arxiv:2507.07788 v1 · 2025-07-10 · 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{MDGSVBJS7LFEBYGOVJV22G7BPF}

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	2026-07-05T11:35:05.074592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60cd2a8532faca40e0ceaa6bad1be1794b34994d4f03b0b496eede9a5170d003

Aliases

arxiv: 2507.07788 · arxiv_version: 2507.07788v1 · doi: 10.48550/arxiv.2507.07788 · pith_short_12: MDGSVBJS7LFE · pith_short_16: MDGSVBJS7LFEBYGO · pith_short_8: MDGSVBJS

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/MDGSVBJS7LFEBYGOVJV22G7BPF \
  | 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: 60cd2a8532faca40e0ceaa6bad1be1794b34994d4f03b0b496eede9a5170d003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d41a8b3b9431cb8e78bf0c76a2c4e1dd8b1ae4c6dc426554baca306d2e6ea2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-10T14:10:36Z",
    "title_canon_sha256": "e11eb830358c10ccc7111cf61b3f5ba0938dd2f7e47e3db37fae82e7c6811191"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07788",
    "kind": "arxiv",
    "version": 1
  }
}