Pith Number

pith:4S4TVOWC

pith:2026:4S4TVOWCYGF7Z36INSQ23R5O7N

not attested not anchored not stored refs pending

Benchmarking Multi-fidelity Neural Operators on Complex PDE Problems with Non-trivial Fidelity Differences

David Moens, Ghifari Adam Faza, Hans Hallez, Keivan Shariatmadar, Kemas Zakaria, Lavi Rizki Zuhal, Pramudita Satria Palar

arxiv:2608.04708 v1 · 2026-08-05 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4S4TVOWCYGF7Z36INSQ23R5O7N}

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	2026-08-06T01:46:33.070638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b93abac2c18bfcefc86ca1adc7aefb67ec256ed250167535d6caae5a947707

Aliases

arxiv: 2608.04708 · arxiv_version: 2608.04708v1 · doi: 10.48550/arxiv.2608.04708 · pith_short_12: 4S4TVOWCYGF7 · pith_short_16: 4S4TVOWCYGF7Z36I · pith_short_8: 4S4TVOWC

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/4S4TVOWCYGF7Z36INSQ23R5O7N \
  | 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: e4b93abac2c18bfcefc86ca1adc7aefb67ec256ed250167535d6caae5a947707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702dc565cc478b3efe4315e51729bfdc140e2df4f72b1ce801ecfb0b67810083",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-08-05T11:19:21Z",
    "title_canon_sha256": "4b483d213c536c19e083474b129c91d3727fce93c32c3ff11c7eb4641b3d870b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04708",
    "kind": "arxiv",
    "version": 1
  }
}