Pith Number

pith:LMRMA6TF

pith:2026:LMRMA6TFVNK5QMWXMBGXGOAOTS

not attested not anchored not stored refs pending

Fourier Feature Pyramids for Physics-Informed Neural Networks

Brandon Zhao, Dor Verbin, Jonathan T. Barron, Katherine L. Bouman, Pratul P. Srinivasan, Yixuan Wang

arxiv:2605.24278 v1 · 2026-05-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMRMA6TFVNK5QMWXMBGXGOAOTS}

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	2026-05-26T01:02:57.477464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b22c07a65ab55d832d7604d73380e9cb9415702023dc328792f110055678933

Aliases

arxiv: 2605.24278 · arxiv_version: 2605.24278v1 · doi: 10.48550/arxiv.2605.24278 · pith_short_12: LMRMA6TFVNK5 · pith_short_16: LMRMA6TFVNK5QMWX · pith_short_8: LMRMA6TF

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/LMRMA6TFVNK5QMWXMBGXGOAOTS \
  | 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: 5b22c07a65ab55d832d7604d73380e9cb9415702023dc328792f110055678933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43473e60121ecbc1c32d1abaa2db2db9e31ae7e681e4aa8deb19952982958cc2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T23:12:56Z",
    "title_canon_sha256": "94d5de77bd0325d437b7b58df80f6550ff8a1d28cff34b922ff0735d16018929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24278",
    "kind": "arxiv",
    "version": 1
  }
}