Pith Number

pith:YWCOVXDF

pith:2026:YWCOVXDFOYFCKJLJ6XD4RDL2PO

not attested not anchored not stored refs pending

INI-VPINN: A Variational Physics-Informed Neural Network with Implicit Neumann and Interface Handling for Multi-Material Domains with Geometric Singularities

(2) Department of Engineering, Alessandro Formisano (2), Aversa, Italy, Italy), Pisa, Sami Barmada (1) ((1) DESTeC, Shayan Dodge (1), University of Campania Luigi Vanvitelli, University of Pisa

arxiv:2606.18032 v1 · 2026-06-16 · math.NA · cs.LG · cs.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWCOVXDFOYFCKJLJ6XD4RDL2PO}

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	2026-06-19T16:10:46.385011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c584eadc65760a252569f5c7c88d7a7b82e0625eabb4758ebc9a3b080f9d5f66

Aliases

arxiv: 2606.18032 · arxiv_version: 2606.18032v1 · doi: 10.48550/arxiv.2606.18032 · pith_short_12: YWCOVXDFOYFC · pith_short_16: YWCOVXDFOYFCKJLJ · pith_short_8: YWCOVXDF

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/YWCOVXDFOYFCKJLJ6XD4RDL2PO \
  | 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: c584eadc65760a252569f5c7c88d7a7b82e0625eabb4758ebc9a3b080f9d5f66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c9d20c26771600c6983d7524ecbcdbbfde3911c96843df6e472b251c3ee8d6a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-16T15:06:15Z",
    "title_canon_sha256": "93e9985729e0f23453a7c5a3f5b9440d990628d3f59f0f358408238845f4bb67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18032",
    "kind": "arxiv",
    "version": 1
  }
}