Pith Number

pith:CCNQVWGV

pith:2015:CCNQVWGVTFLX5UTAIKBZNI5FQ4

not attested not anchored not stored refs pending

Broadband non-reciprocal transmission of sound with invariant frequency

Bin Liang, Jian-Chun Cheng, Jie Hu, Xin-ye Zou, Zhong-ming Gu

arxiv:1506.01049 v1 · 2015-05-29 · 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{CCNQVWGVTFLX5UTAIKBZNI5FQ4}

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	2026-05-18T01:58:26.477902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109b0ad8d599577ed260428396a3a5871e0f1f8f94b4f22f56935554cd65cc2e

Aliases

arxiv: 1506.01049 · arxiv_version: 1506.01049v1 · doi: 10.48550/arxiv.1506.01049 · pith_short_12: CCNQVWGVTFLX · pith_short_16: CCNQVWGVTFLX5UTA · pith_short_8: CCNQVWGV

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/CCNQVWGVTFLX5UTAIKBZNI5FQ4 \
  | 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: 109b0ad8d599577ed260428396a3a5871e0f1f8f94b4f22f56935554cd65cc2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "174102627b862af224d73cd643496a5c97ea0be0908cf1ff1c1025d769d64d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-05-29T08:44:19Z",
    "title_canon_sha256": "b76409c3c40f47165aba72644689fbd9e9115c260f90f18fc869726e318e94be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01049",
    "kind": "arxiv",
    "version": 1
  }
}