Pith Number

pith:BFLWJKH7

pith:2025:BFLWJKH7PTPDW4VAKMUL34UGGE

not attested not anchored not stored refs pending

Operator Inference Aware Quadratic Manifolds with Isotropic Reduced Coordinates for Nonintrusive Model Reduction

Benjamin Peherstorfer, Julie Bessac, Marc T. Henry de Frahan, Paul Schwerdtner, Prakash Mohan

arxiv:2507.20463 v1 · 2025-07-28 · math.DS · cs.LG · cs.NA · math.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{BFLWJKH7PTPDW4VAKMUL34UGGE}

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	2026-07-05T11:44:19.739681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

095764a8ff7cde3b72a05328bdf286313c1faab146135ae14734eb6e9f86a49f

Aliases

arxiv: 2507.20463 · arxiv_version: 2507.20463v1 · doi: 10.48550/arxiv.2507.20463 · pith_short_12: BFLWJKH7PTPD · pith_short_16: BFLWJKH7PTPDW4VA · pith_short_8: BFLWJKH7

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/BFLWJKH7PTPDW4VAKMUL34UGGE \
  | 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: 095764a8ff7cde3b72a05328bdf286313c1faab146135ae14734eb6e9f86a49f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89bcbf609694d338c42ce8578ad0ea68c2e017e5abc07c5785b268c5e1af6cfa",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2025-07-28T01:45:55Z",
    "title_canon_sha256": "1a6d59c0c7eade072daf98f1cd8fbad734e0d0a9c4b385e781215610e170c286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20463",
    "kind": "arxiv",
    "version": 1
  }
}