Pith Number

pith:GQVGNALD

pith:2024:GQVGNALDGW6QOBFPPDO2P3IMJO

not attested not anchored not stored refs pending

Reduced Order Models and Conditional Expectation -- Analysing Parametric Low-Order Approximations

Hermann G. Matthies

arxiv:2412.19836 v2 · 2024-12-22 · 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{GQVGNALDGW6QOBFPPDO2P3IMJO}

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	2026-07-05T10:14:07.970218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

342a66816335bd0704af78dda7ed0c4b8b4eaf52049b319c12ff6791060b9f0c

Aliases

arxiv: 2412.19836 · arxiv_version: 2412.19836v2 · doi: 10.48550/arxiv.2412.19836 · pith_short_12: GQVGNALDGW6Q · pith_short_16: GQVGNALDGW6QOBFP · pith_short_8: GQVGNALD

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/GQVGNALDGW6QOBFPPDO2P3IMJO \
  | 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: 342a66816335bd0704af78dda7ed0c4b8b4eaf52049b319c12ff6791060b9f0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352b1082921c8f851563e6f1508e6106df5e9bfcffe24a36853b997b6843740f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-22T11:28:10Z",
    "title_canon_sha256": "5bcf6ece47a7fc77fd42116d16b21fd7cb16fcd9ab9bce20e06c3b0a261678d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19836",
    "kind": "arxiv",
    "version": 2
  }
}