Pith Number

pith:G6D2ZLQD

pith:2023:G6D2ZLQD3LN64BOD2OIEM6RPCZ

not attested not anchored not stored refs pending

An iterative multi-fidelity approach for model order reduction of multi-dimensional input parametric PDE systems

Domenico Borzacchiello, Lucas Lestandi, Luisa Rocha Da Silva, Manisha Chetry

arxiv:2301.09483 v1 · 2023-01-23 · math.NA · cs.LG · cs.NA · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6D2ZLQD3LN64BOD2OIEM6RPCZ}

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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	2026-07-05T05:35:01.252293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3787acae03dadbee05c3d390467a2f167b9937a76d99f20d6e32fed39684ba5a

Aliases

arxiv: 2301.09483 · arxiv_version: 2301.09483v1 · doi: 10.48550/arxiv.2301.09483 · pith_short_12: G6D2ZLQD3LN6 · pith_short_16: G6D2ZLQD3LN64BOD · pith_short_8: G6D2ZLQD

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/G6D2ZLQD3LN64BOD2OIEM6RPCZ \
  | 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: 3787acae03dadbee05c3d390467a2f167b9937a76d99f20d6e32fed39684ba5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6526a636d4d2117451a979522a23ad63a98110806bd849c5e02a6736457d9d87",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-01-23T15:25:58Z",
    "title_canon_sha256": "48bb1317941a614f9bedc931fa0d90bd59095d43f1683dbb8a6429c6b9832ccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.09483",
    "kind": "arxiv",
    "version": 1
  }
}