Pith Number

pith:IXPT7DAX

pith:2025:IXPT7DAXM2N5SZUXCEFXNDTJ4Z

not attested not anchored not stored refs pending

An Adaptive-rank Approach with Greedy Sampling for Multi-scale BGK Equations

Daniel Hayes, Jing-Mei Qiu, Nanyi Zheng, William A. Sands

arxiv:2505.17191 v2 · 2025-05-22 · 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{IXPT7DAXM2N5SZUXCEFXNDTJ4Z}

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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

A Nodal Discontinuous Galerkin Method with Rank-Adaptive Velocity Space Representation for the Multiscale BGK Model

Receipt and verification

First computed	2026-07-05T12:05:43.160260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45df3f8c17669bd96697110b768e69e640a77958cbff80ca45cf6dab19c5c888

Aliases

arxiv: 2505.17191 · arxiv_version: 2505.17191v2 · doi: 10.48550/arxiv.2505.17191 · pith_short_12: IXPT7DAXM2N5 · pith_short_16: IXPT7DAXM2N5SZUX · pith_short_8: IXPT7DAX

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/IXPT7DAXM2N5SZUXCEFXNDTJ4Z \
  | 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: 45df3f8c17669bd96697110b768e69e640a77958cbff80ca45cf6dab19c5c888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38dd28a0f7739b9efc37c2b2c2c88fd3c275924f938c9028f5fb749b0479e896",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-22T18:02:06Z",
    "title_canon_sha256": "13c042acc153d080847057c0a803eccb50e608fc3c471f32e949faaeb983d09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17191",
    "kind": "arxiv",
    "version": 2
  }
}