Pith Number

pith:4CPD7HBV

pith:2015:4CPD7HBVAFJKXTCZ6BELZ6WAXE

not attested not anchored not stored refs pending

Asymmetric acoustic propagation of wave packets via the self-demodulation effect

Olivier Richoux, Thibaut Devaux, Vincent Pagneux, Vincent Tournat

arxiv:1510.06633 v1 · 2015-10-21 · 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{4CPD7HBVAFJKXTCZ6BELZ6WAXE}

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	2026-05-18T01:24:51.396097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e09e3f9c350152abcc59f048bcfac0b93cec22411a68d928bb6b9b102a003fa0

Aliases

arxiv: 1510.06633 · arxiv_version: 1510.06633v1 · doi: 10.48550/arxiv.1510.06633 · pith_short_12: 4CPD7HBVAFJK · pith_short_16: 4CPD7HBVAFJKXTCZ · pith_short_8: 4CPD7HBV

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/4CPD7HBVAFJKXTCZ6BELZ6WAXE \
  | 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: e09e3f9c350152abcc59f048bcfac0b93cec22411a68d928bb6b9b102a003fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc06ef7bd6f86dab49ac6df6d41758f6d183064037165ced30f7632fb5738a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-10-21T13:01:44Z",
    "title_canon_sha256": "d2ae51677fb3a3738c08b9d2a301257e99a11312417b030ef2b9b0e977bb3bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06633",
    "kind": "arxiv",
    "version": 1
  }
}