Pith Number

pith:D33O64A6

pith:2026:D33O64A6ENLK76APDDSTVUYKJ5

not attested not anchored not stored refs pending

Coalesced Matrix-Free Finite Elements in Cell-Wise Storage

Micha{\l} Wichrowski

arxiv:2607.02335 v1 · 2026-07-02 · 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{D33O64A6ENLK76APDDSTVUYKJ5}

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	2026-07-03T01:17:48.720698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef6ef701e2356aff80f18e53ad30a4f5e45c467a8a1ddd10fdcec0f88c60b67

Aliases

arxiv: 2607.02335 · arxiv_version: 2607.02335v1 · doi: 10.48550/arxiv.2607.02335 · pith_short_12: D33O64A6ENLK · pith_short_16: D33O64A6ENLK76AP · pith_short_8: D33O64A6

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/D33O64A6ENLK76APDDSTVUYKJ5 \
  | 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: 1ef6ef701e2356aff80f18e53ad30a4f5e45c467a8a1ddd10fdcec0f88c60b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7ed3e54bff8d8846b525aa471fa94f58140073c91067733113327918d62fb1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-02T15:39:10Z",
    "title_canon_sha256": "1a383e7aef040fb0645e54e988e9d1d84f5920a97a2999b5ce1ca8ac5a6da074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02335",
    "kind": "arxiv",
    "version": 1
  }
}