Pith Number

pith:5HGI4QOA

pith:2023:5HGI4QOA4GQLHRWBWKCFQZ2FNF

not attested not anchored not stored refs pending

A registration method for reduced basis problems using linear optimal transport

Tobias Blickhan

arxiv:2304.14884 v2 · 2023-04-28 · 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{5HGI4QOA4GQLHRWBWKCFQZ2FNF}

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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.

Cited by

1 paper in Pith

Optimal Transport-Based Displacement Interpolation with Data Augmentation for Reduced Order Modeling of Nonlinear Dynamical Systems

Receipt and verification

First computed	2026-07-05T06:54:54.122098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cc8e41c0e1a0b3c6c1b284586745696e3e2c3c556e4bfa2c503da89710d8d8

Aliases

arxiv: 2304.14884 · arxiv_version: 2304.14884v2 · doi: 10.48550/arxiv.2304.14884 · pith_short_12: 5HGI4QOA4GQL · pith_short_16: 5HGI4QOA4GQLHRWB · pith_short_8: 5HGI4QOA

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/5HGI4QOA4GQLHRWBWKCFQZ2FNF \
  | 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: e9cc8e41c0e1a0b3c6c1b284586745696e3e2c3c556e4bfa2c503da89710d8d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8dfa8d9a2a3596cdfc9c48ecd214ea23c5601be6f6e648d2703be0b5b681352",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-28T14:46:05Z",
    "title_canon_sha256": "e62f92a82f6bf3d48855169bf6b393425792a044b62cc6201843ecc98d710b09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.14884",
    "kind": "arxiv",
    "version": 2
  }
}