Pith Number

pith:4MUI3ZCD

pith:2023:4MUI3ZCDS6DUYLF4OTOWGWB6J6

not attested not anchored not stored refs pending

MgNO: Efficient Parameterization of Linear Operators via Multigrid

Jinchao Xu, Juncai He, Xinliang Liu

arxiv:2310.19809 v3 · 2023-10-16 · cs.LG · cs.NA · math.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{4MUI3ZCDS6DUYLF4OTOWGWB6J6}

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.

Cited by

5 papers in Pith

IV-Net: A neural network for elliptic PDEs with random and highly varying coefficients

Diff-ANO: Towards Fast High-Resolution Ultrasound Computed Tomography via Conditional Consistency Models and Adjoint Neural Operators

Discovering Physical Directions in Weight Space: Composing Neural PDE Experts

PnP-Corrector: A Universal Correction Framework for Coupled Spatiotemporal Forecasting

Receipt and verification

First computed	2026-07-05T08:36:44.119014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3288de44397874c2cbc74dd63583e4f94b094f43333327b1d881ada14d57767

Aliases

arxiv: 2310.19809 · arxiv_version: 2310.19809v3 · doi: 10.48550/arxiv.2310.19809 · pith_short_12: 4MUI3ZCDS6DU · pith_short_16: 4MUI3ZCDS6DUYLF4 · pith_short_8: 4MUI3ZCD

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/4MUI3ZCDS6DUYLF4OTOWGWB6J6 \
  | 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: e3288de44397874c2cbc74dd63583e4f94b094f43333327b1d881ada14d57767

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c4843cd49c2c6623906f75f73b8f05f623a544079bdfc6992852efe4c8c8c77",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-10-16T13:01:35Z",
    "title_canon_sha256": "33d1f34eb2f249088cfd6b9500ed4d9021d96599b3d747863c426f1a1702a8db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.19809",
    "kind": "arxiv",
    "version": 3
  }
}