Pith Number

pith:YALJM4YW

pith:2010:YALJM4YW4G3SK73CHZFQRQQYUJ

not attested not anchored not stored refs pending

Acoustic resonances in two dimensional radial sonic crystals shells

Daniel Torrent, Jos\'e S\'anchez-Dehesa

arxiv:1003.0214 v1 · 2010-02-28 · physics.flu-dyn · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YALJM4YW4G3SK73CHZFQRQQYUJ}

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	2026-05-18T02:08:48.346840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c016967316e1b7257f623e4b08c218a2751551e92e38e8560871f2e6fdbf77b9

Aliases

arxiv: 1003.0214 · arxiv_version: 1003.0214v1 · doi: 10.48550/arxiv.1003.0214 · pith_short_12: YALJM4YW4G3S · pith_short_16: YALJM4YW4G3SK73C · pith_short_8: YALJM4YW

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/YALJM4YW4G3SK73CHZFQRQQYUJ \
  | 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: c016967316e1b7257f623e4b08c218a2751551e92e38e8560871f2e6fdbf77b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01801917189a83a89cb4059b8ee41c998eb03e106c420b269280136f1e2c7099",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2010-02-28T20:54:32Z",
    "title_canon_sha256": "0020581d2ec6556745e62a8fc183727981fd945c2afd8f6cba5bfbed88c59d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0214",
    "kind": "arxiv",
    "version": 1
  }
}