Pith Number

pith:N33D25BH

pith:2017:N33D25BHKS6ZFQGSPIBHTQCB4O

not attested not anchored not stored refs pending

Labyrinthine acoustic metamaterials with space-coiling channels for low-frequency sound control

Anastasiia O. Krushynska, Federico Bosia, Nicola M. Pugno

arxiv:1712.06063 v1 · 2017-12-17 · physics.app-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N33D25BHKS6ZFQGSPIBHTQCB4O}

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	2026-05-18T00:27:48.090063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef63d742754bd92c0d27a0279c041e394fb735ddd4f02ea3c25afb4a89ddf80

Aliases

arxiv: 1712.06063 · arxiv_version: 1712.06063v1 · doi: 10.48550/arxiv.1712.06063 · pith_short_12: N33D25BHKS6Z · pith_short_16: N33D25BHKS6ZFQGS · pith_short_8: N33D25BH

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/N33D25BHKS6ZFQGSPIBHTQCB4O \
  | 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: 6ef63d742754bd92c0d27a0279c041e394fb735ddd4f02ea3c25afb4a89ddf80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da1c97c9074c7fc60f0950ee22131cd6ef6abe38466841784c6a93d088742eeb",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-12-17T06:25:45Z",
    "title_canon_sha256": "fec602a80869241529ed26c20cb85039a127b7310654daf8f305d7761b044813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06063",
    "kind": "arxiv",
    "version": 1
  }
}