Pith Number

pith:22233RCU

pith:2015:22233RCUO5ZQWSVJVT6XVBMRKD

not attested not anchored not stored refs pending

Nonlocal description of sound propagation through an array of Helmholtz resonators

Anshuman Kumar, Denis Lafarge, Navid Nemati, Nicholas X. Fang

arxiv:1503.04920 v1 · 2015-03-17 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22233RCUO5ZQWSVJVT6XVBMRKD}

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	2026-05-18T01:22:40.934795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b5bdc45477730b4aa9acfd7a859150c107acddba491a140313d2cfae04051d

Aliases

arxiv: 1503.04920 · arxiv_version: 1503.04920v1 · doi: 10.48550/arxiv.1503.04920 · pith_short_12: 22233RCUO5ZQ · pith_short_16: 22233RCUO5ZQWSVJ · pith_short_8: 22233RCU

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/22233RCUO5ZQWSVJVT6XVBMRKD \
  | 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: d6b5bdc45477730b4aa9acfd7a859150c107acddba491a140313d2cfae04051d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9329acf35ef60535e97e08f163be99fe0179c44ca81e85c83622d875448bfc62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-03-17T04:33:50Z",
    "title_canon_sha256": "d645f4538877148e449908f09591ed6e50c2686cbcb19a74c104718cdbde2400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04920",
    "kind": "arxiv",
    "version": 1
  }
}