Pith Number

pith:7VBOPL4R

pith:2018:7VBOPL4R7B7SXC6BJVKCKSD7UU

not attested not anchored not stored refs pending

Zero-Group-Velocity acoustic waveguides for high-frequency resonators

C. Caliendo, M. Hamidullah

arxiv:1805.06251 v1 · 2018-05-16 · 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{7VBOPL4R7B7SXC6BJVKCKSD7UU}

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	2026-05-18T00:15:48.307216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd42e7af91f87f2b8bc14d5425487fa5025a76e1d0833728ac87602ebaf52f0b

Aliases

arxiv: 1805.06251 · arxiv_version: 1805.06251v1 · doi: 10.48550/arxiv.1805.06251 · pith_short_12: 7VBOPL4R7B7S · pith_short_16: 7VBOPL4R7B7SXC6B · pith_short_8: 7VBOPL4R

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/7VBOPL4R7B7SXC6BJVKCKSD7UU \
  | 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: fd42e7af91f87f2b8bc14d5425487fa5025a76e1d0833728ac87602ebaf52f0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f48d7bb758dc4b21ed42eb806e2a0aed153678c782ac5cef68db40df0a691d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-05-16T11:45:08Z",
    "title_canon_sha256": "a9f0c99dbc6c8c694b5fe6049316aa3f91171b4b7c1bfd77c4038810e1c92a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06251",
    "kind": "arxiv",
    "version": 1
  }
}