Pith Number

pith:QLSCK72K

pith:2019:QLSCK72KI3NNPTET3Y5FVHUO27

not attested not anchored not stored refs pending

Data driven approximation of parametrized PDEs by Reduced Basis and Neural Networks

Luca Pegolotti, Niccol\`o Dal Santo, Simone Deparis

arxiv:1904.01514 v2 · 2019-04-02 · math.NA · cs.LG · 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{QLSCK72KI3NNPTET3Y5FVHUO27}

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	2026-06-04T20:14:22.735209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82e4257f4a46dad7cc93de3a5a9e8ed7e1431d1edaf98887c50cd84596d92f83

Aliases

arxiv: 1904.01514 · arxiv_version: 1904.01514v2 · doi: 10.48550/arxiv.1904.01514 · pith_short_12: QLSCK72KI3NN · pith_short_16: QLSCK72KI3NNPTET · pith_short_8: QLSCK72K

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/QLSCK72KI3NNPTET3Y5FVHUO27 \
  | 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: 82e4257f4a46dad7cc93de3a5a9e8ed7e1431d1edaf98887c50cd84596d92f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5753d27927b1f50d166e886d46cbb50e281a4b55fb4decad2308b8b49f10ce89",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-02T15:54:15Z",
    "title_canon_sha256": "46d805ac00c94a973b9e55f4dd0f3a9edc543ac0a913219cc872ed49e79acdd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01514",
    "kind": "arxiv",
    "version": 2
  }
}