Pith Number

pith:2GU67FHG

pith:2026:2GU67FHGPVPIEZRKRAPJP5736L

not attested not anchored not stored refs pending

GPU-Accelerated Energy-Conserving Methods for the Two-Dimensional Hyperbolized Serre-Green-Naghdi Equations

Collin Wittenstein, Hendrik Ranocha, Mario Ricchiuto, Vincent Marks

arxiv:2601.02540 v2 · 2026-01-05 · 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{2GU67FHGPVPIEZRKRAPJP5736L}

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	2026-05-27T02:05:10.116375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a9ef94e67d5e82662a881e97f7fbf2de68be8c5a118595696c2780c85295e2

Aliases

arxiv: 2601.02540 · arxiv_version: 2601.02540v2 · doi: 10.48550/arxiv.2601.02540 · pith_short_12: 2GU67FHGPVPI · pith_short_16: 2GU67FHGPVPIEZRK · pith_short_8: 2GU67FHG

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/2GU67FHGPVPIEZRKRAPJP5736L \
  | 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: d1a9ef94e67d5e82662a881e97f7fbf2de68be8c5a118595696c2780c85295e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23859f5ff0c0da9404c91bf41447beed4043f07f46e0470318e5fb676ef12802",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-01-05T20:26:56Z",
    "title_canon_sha256": "8b980bf8523014fcba4b8b7d8cf858673a33e0c8af1ab7fc2143ee478d4dc59b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02540",
    "kind": "arxiv",
    "version": 2
  }
}