Pith Number

pith:UGXFBLFU

pith:2022:UGXFBLFU5PTLFFLAI46TUQTZQG

not attested not anchored not stored refs pending

Efficient and certified solution of parametrized one-way coupled problems through DEIM-based data projection across non-conforming interfaces

Alfio Quarteroni, Andrea Manzoni, Elena Zappon

arxiv:2203.09226 v1 · 2022-03-17 · 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{UGXFBLFU5PTLFFLAI46TUQTZQG}

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	2026-07-05T04:06:09.066973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ae50acb4ebe6b29560473d3a427981a371dbdc7c07aa82e601b55516358de2

Aliases

arxiv: 2203.09226 · arxiv_version: 2203.09226v1 · doi: 10.48550/arxiv.2203.09226 · pith_short_12: UGXFBLFU5PTL · pith_short_16: UGXFBLFU5PTLFFLA · pith_short_8: UGXFBLFU

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/UGXFBLFU5PTLFFLAI46TUQTZQG \
  | 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: a1ae50acb4ebe6b29560473d3a427981a371dbdc7c07aa82e601b55516358de2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d5d01a44a80c3ce2e453196526ef177d4dec51d50094185faa33a5300a6770",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-03-17T10:33:15Z",
    "title_canon_sha256": "4c6748f8809870b40d1ef45ca35586364960797e54e5c3bbeaffab37375b749b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09226",
    "kind": "arxiv",
    "version": 1
  }
}