Pith Number

pith:3WR7FGDQ

pith:2017:3WR7FGDQ2L37FXDGW3HIDXMP2U

not attested not anchored not stored refs pending

Rainbow-trapping absorbers: Broadband, perfect and asymmetric sound absorption by subwavelength panels with ventilation

Jean-Philippe Groby, No\'e Jim\'enez, Vicent Romero-Garc\'ia, Vincent Pagneux

arxiv:1708.03343 v1 · 2017-07-31 · 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{3WR7FGDQ2L37FXDGW3HIDXMP2U}

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	2026-05-18T00:38:13.393135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda3f29870d2f7f2dc66b6ce81dd8fd5276b68bfaf176c38709635406e6e6013

Aliases

arxiv: 1708.03343 · arxiv_version: 1708.03343v1 · doi: 10.48550/arxiv.1708.03343 · pith_short_12: 3WR7FGDQ2L37 · pith_short_16: 3WR7FGDQ2L37FXDG · pith_short_8: 3WR7FGDQ

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/3WR7FGDQ2L37FXDGW3HIDXMP2U \
  | 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: dda3f29870d2f7f2dc66b6ce81dd8fd5276b68bfaf176c38709635406e6e6013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51ee0e22ea0254c3e8d1072feeb2b0244dd431de35a5c31c1af60ac227a9346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-07-31T16:36:55Z",
    "title_canon_sha256": "ec10ad42d5419d187b86ecabd8996f542dae5e8ee05966d451272484761a46cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03343",
    "kind": "arxiv",
    "version": 1
  }
}