Pith Number

pith:QKMLCFAP

pith:2019:QKMLCFAPXBLDBUSWSJXOLGSZYV

not attested not anchored not stored refs pending

Towards Automatic and Reliable Localized Model Order Reduction

Andreas Buhr

arxiv:1908.02074 v1 · 2019-08-06 · 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{QKMLCFAPXBLDBUSWSJXOLGSZYV}

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	2026-07-04T23:51:50.593942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8298b1140fb85630d256926ee59a59c576d2e8f55ba44687c87c80676a6b9473

Aliases

arxiv: 1908.02074 · arxiv_version: 1908.02074v1 · doi: 10.48550/arxiv.1908.02074 · pith_short_12: QKMLCFAPXBLD · pith_short_16: QKMLCFAPXBLDBUSW · pith_short_8: QKMLCFAP

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/QKMLCFAPXBLDBUSWSJXOLGSZYV \
  | 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: 8298b1140fb85630d256926ee59a59c576d2e8f55ba44687c87c80676a6b9473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ae76948f13ddb62863f3fd86aa35da123e1c501cf6e1d9aeee252f6e43ed06",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-06T10:55:01Z",
    "title_canon_sha256": "45a4471b23b36085b60904cc79df7e8fc268fc9b7715d60a78194d8b0a1ce498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02074",
    "kind": "arxiv",
    "version": 1
  }
}