Pith Number

pith:27LNBZVW

pith:2019:27LNBZVWARKMMOYQYJOYJKBZIK

not attested not anchored not stored refs pending

Non-Closed Acoustic Cloak Enabled by Sequential-Step Linear Coordinate Transformations

Ali Abdolali, Mohammad Hosein Fakheri, Zahra Basiri

arxiv:1904.12909 v1 · 2019-04-29 · 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{27LNBZVWARKMMOYQYJOYJKBZIK}

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	2026-05-17T23:47:24.498347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d6d0e6b60454c63b10c25d84a83942a8d951efaee7a2e871b05790eb1902fe

Aliases

arxiv: 1904.12909 · arxiv_version: 1904.12909v1 · doi: 10.48550/arxiv.1904.12909 · pith_short_12: 27LNBZVWARKM · pith_short_16: 27LNBZVWARKMMOYQ · pith_short_8: 27LNBZVW

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/27LNBZVWARKMMOYQYJOYJKBZIK \
  | 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: d7d6d0e6b60454c63b10c25d84a83942a8d951efaee7a2e871b05790eb1902fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a76d42b3893160b0c2cee6871f1511b71a919afd1d9f4cf60b9564c7e862388",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-04-29T19:03:54Z",
    "title_canon_sha256": "52c6300f631376960897def61e63ca0c0449eb608862a4566992a39659e61a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12909",
    "kind": "arxiv",
    "version": 1
  }
}