Pith Number

pith:BOU3MLNM

pith:2026:BOU3MLNMFNXSWJJNLXC3ZE433D

not attested not anchored not stored refs pending

A Wachspress-based transfinite formulation for exactly enforcing Dirichlet boundary conditions on convex polygonal domains in physics-informed neural networks

N. Sukumar, Ritwick Roy

arxiv:2601.01756 v3 · 2026-01-05 · math.NA · cs.NA · cs.NE

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOU3MLNMFNXSWJJNLXC3ZE433D}

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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

2 papers in Pith

Hard-constrained Physics-informed Neural Networks for Interface Problems

Receipt and verification

First computed	2026-05-22T01:03:53.006136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba9b62dac2b6f2b252d5dc5bc939bd8e02a9e46cbbd2bc89404c58d04eb6dcc

Aliases

arxiv: 2601.01756 · arxiv_version: 2601.01756v3 · doi: 10.48550/arxiv.2601.01756 · pith_short_12: BOU3MLNMFNXS · pith_short_16: BOU3MLNMFNXSWJJN · pith_short_8: BOU3MLNM

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/BOU3MLNMFNXSWJJNLXC3ZE433D \
  | 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: 0ba9b62dac2b6f2b252d5dc5bc939bd8e02a9e46cbbd2bc89404c58d04eb6dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b6e7478f0874ace54c0735cdf6f938d1b82977dcfaf94cbe6e0a7b7ced5517",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-01-05T03:15:21Z",
    "title_canon_sha256": "85529efb787c306608db2ea3b4d47fffbdcdef4b6586156a4a6c62e96a94a416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.01756",
    "kind": "arxiv",
    "version": 3
  }
}