Pith Number

pith:CVXACHEO

pith:2021:CVXACHEOB2P2W3WUCBQGQI24NE

not attested not anchored not stored refs pending

Binary classification of spoken words with passive phononic metamaterials

Christoph B\"arlocher, Daniel Moreno-Garcia, Dirk-Jan van Manen, Fredrik Andersson, Henrik R. Thomsen, Johan O.A. Robertsson, Lars Gebraad, Luis Guillermo Villanueva, Marc Serra-Garcia, Parisa Omidvar, Sebastian D. Huber, Tena Dub\v{c}ek, Theodor S. Becker, Thomas Haag

arxiv:2111.08503 v2 · 2021-11-14 · eess.SP · cond-mat.dis-nn · cs.ET · cs.SD · eess.AS · physics.app-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{CVXACHEOB2P2W3WUCBQGQI24NE}

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	2026-07-05T06:28:30.276070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156e011c8e0e9fab6ed4106068235c690571a408469ca5b5571d746811f69fd5

Aliases

arxiv: 2111.08503 · arxiv_version: 2111.08503v2 · doi: 10.48550/arxiv.2111.08503 · pith_short_12: CVXACHEOB2P2 · pith_short_16: CVXACHEOB2P2W3WU · pith_short_8: CVXACHEO

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/CVXACHEOB2P2W3WUCBQGQI24NE \
  | 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: 156e011c8e0e9fab6ed4106068235c690571a408469ca5b5571d746811f69fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "552110d5923b678f9c9e6ee65f7b47d4dc6f445ebf7bc4fce708a6823965f47b",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.ET",
      "cs.SD",
      "eess.AS",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-14T16:11:26Z",
    "title_canon_sha256": "15d8820ff010318ac6ee62af324cc823d24cadc15024f95672ce98001b145359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08503",
    "kind": "arxiv",
    "version": 2
  }
}