Pith Number

pith:OYMOLVHC

pith:2022:OYMOLVHCB4ZGMXU2ISEPJYRCFA

not attested not anchored not stored refs pending

De Rham compatible Deep Neural Network FEM

Christoph Schwab, Jakob Zech, Joost A. A. Opschoor, Marcello Longo, Nico Disch

arxiv:2201.05395 v3 · 2022-01-14 · math.NA · cs.LG · 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{OYMOLVHCB4ZGMXU2ISEPJYRCFA}

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	2026-07-05T06:30:41.598571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7618e5d4e20f32665e9a4488f4e2222825773f8a8722ef147d7945f5561038fc

Aliases

arxiv: 2201.05395 · arxiv_version: 2201.05395v3 · doi: 10.48550/arxiv.2201.05395 · pith_short_12: OYMOLVHCB4ZG · pith_short_16: OYMOLVHCB4ZGMXU2 · pith_short_8: OYMOLVHC

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/OYMOLVHCB4ZGMXU2ISEPJYRCFA \
  | 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: 7618e5d4e20f32665e9a4488f4e2222825773f8a8722ef147d7945f5561038fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88c07592a958fd5c78e7d233bba9c1253bf0a481da00f7541f5961c4826cd267",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-14T11:22:13Z",
    "title_canon_sha256": "3f54cd566860990aeb53f52505d0b64d52d08d9ba5573e77ee1d32c4b49f8396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05395",
    "kind": "arxiv",
    "version": 3
  }
}