Pith Number

pith:IX4Y4Q3C

pith:2011:IX4Y4Q3CNVEKHPLGLE56HYX3UW

not attested not anchored not stored refs pending

Enhanced and reduced transmission of acoustic waves with bubble meta-screens

Alice Bretagne, Arnaud Tourin, V. Leroy (MSC)

arxiv:1111.1309 v1 · 2011-11-05 · 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{IX4Y4Q3CNVEKHPLGLE56HYX3UW}

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	2026-05-18T01:59:44.913689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f98e43626d48a3bd66593be3e2fba5b24fefb211774ab6ba0fcee0d9da0214

Aliases

arxiv: 1111.1309 · arxiv_version: 1111.1309v1 · doi: 10.48550/arxiv.1111.1309 · pith_short_12: IX4Y4Q3CNVEK · pith_short_16: IX4Y4Q3CNVEKHPLG · pith_short_8: IX4Y4Q3C

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/IX4Y4Q3CNVEKHPLGLE56HYX3UW \
  | 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: 45f98e43626d48a3bd66593be3e2fba5b24fefb211774ab6ba0fcee0d9da0214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f2312bcef71e0a1cf276f3d1f8299c640d9adef7183c1f127f6bb7c546c422",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2011-11-05T13:51:38Z",
    "title_canon_sha256": "66ed26eb6198873dfb498831dde93b80f8a0b37a5046b7103b427de9ac243276"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1309",
    "kind": "arxiv",
    "version": 1
  }
}