Pith Number

pith:VDL6QWTU

pith:2006:VDL6QWTUNRN22ADUMQZTLSX5MG

not attested not anchored not stored refs pending

Nondiffractive sonic crystals

Isabel Perez-Arjona, Javier Redondo, Kestutis Staliunas, Victor Espinosa, Victor J. Sanchez-Morcillo

arxiv:physics/0606018 v1 · 2006-06-02 · physics.flu-dyn · physics.gen-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{VDL6QWTUNRN22ADUMQZTLSX5MG}

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	2026-05-18T03:24:20.882053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d7e85a746c5bad0074643335cafd61a1d70e4ae643ce8a08ce056bc86b70d3

Aliases

arxiv: physics/0606018 · arxiv_version: physics/0606018v1 · doi: 10.48550/arxiv.physics/0606018 · pith_short_12: VDL6QWTUNRN2 · pith_short_16: VDL6QWTUNRN22ADU · pith_short_8: VDL6QWTU

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/VDL6QWTUNRN22ADUMQZTLSX5MG \
  | 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: a8d7e85a746c5bad0074643335cafd61a1d70e4ae643ce8a08ce056bc86b70d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd3420660de220b36afd7e1f02e76312d099460368f11e57142934d7a1100ca",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2006-06-02T08:29:15Z",
    "title_canon_sha256": "15df6cb9df2cf66d60b5b9cad02c1cce637975638fdf1e16715536f0c2637834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0606018",
    "kind": "arxiv",
    "version": 1
  }
}