Pith Number

pith:FN3YHHCG

pith:2015:FN3YHHCGIIB34NBMOKWU2REKVZ

not attested not anchored not stored refs pending

Anomalous refraction based on acoustic metasurfaces with membranes

Changlin Ding, Chunrong Luo, Huaijun Chen, Shilong Zhai, Song Liu, Xiaopeng Zhao

arxiv:1606.00473 v1 · 2015-04-09 · physics.class-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{FN3YHHCGIIB34NBMOKWU2REKVZ}

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	2026-05-18T01:13:04.337495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b77839c464203be342c72ad4d448aae7065cba91d342fa8b05daa410183f0f1

Aliases

arxiv: 1606.00473 · arxiv_version: 1606.00473v1 · doi: 10.48550/arxiv.1606.00473 · pith_short_12: FN3YHHCGIIB3 · pith_short_16: FN3YHHCGIIB34NBM · pith_short_8: FN3YHHCG

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/FN3YHHCGIIB34NBMOKWU2REKVZ \
  | 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: 2b77839c464203be342c72ad4d448aae7065cba91d342fa8b05daa410183f0f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4322de063ce278766eb64386d706183ab4b2a5e3f60221c2664ef5a3e2df68ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-04-09T01:56:41Z",
    "title_canon_sha256": "e49ca1eff783142cc0f6a1a57ff4057fbdf24568778f949f101d2350817bf5a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00473",
    "kind": "arxiv",
    "version": 1
  }
}