Pith Number

pith:OERGEDND

pith:2026:OERGEDND6OB2WCHR2ZGYMXNPXT

not attested not anchored not stored refs pending

Fourier--Galerkin Methods for Subwavelength Resonances in 2D Acoustic Metamaterials

Jinghao Cao

arxiv:2605.23251 v1 · 2026-05-22 · math.NA · cs.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OERGEDND6OB2WCHR2ZGYMXNPXT}

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	2026-05-25T02:01:45.669176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7122620da3f383ab08f1d64d865dafbcc42de08495fcfce3275bb003d125163b

Aliases

arxiv: 2605.23251 · arxiv_version: 2605.23251v1 · doi: 10.48550/arxiv.2605.23251 · pith_short_12: OERGEDND6OB2 · pith_short_16: OERGEDND6OB2WCHR · pith_short_8: OERGEDND

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/OERGEDND6OB2WCHR2ZGYMXNPXT \
  | 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: 7122620da3f383ab08f1d64d865dafbcc42de08495fcfce3275bb003d125163b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "939ef291c572a93a16f2c8e4309a417466f0ef455432f939049f487c2f1120e1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-22T05:50:11Z",
    "title_canon_sha256": "5c65a5214ee7e703128ecef9c709aba9d011ee30fccefd5d80aba3808c4f875e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23251",
    "kind": "arxiv",
    "version": 1
  }
}