pith. sign in
Pith Number

pith:N2DRVNWX

pith:2012:N2DRVNWXO76IUVIGJOVWWUXEGO
not attested not anchored not stored refs pending

Enhancement of sound in chirped sonic crystals

A. Cebrecos, K. Staliunas, R. Pic\'o, V. J. S\'anchez-Morcillo, V. Romero-Garc\'ia

arxiv:1211.4199 v1 · 2012-11-18 · cond-mat.mtrl-sci

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N2DRVNWXO76IUVIGJOVWWUXEGO}

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 2026-05-18T01:53:09.959121Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6e871ab6d777fc8a55064bab6b52e43393a24794186d02e53cadc0d1f37c3bab

Aliases

arxiv: 1211.4199 · arxiv_version: 1211.4199v1 · doi: 10.48550/arxiv.1211.4199 · pith_short_12: N2DRVNWXO76I · pith_short_16: N2DRVNWXO76IUVIG · pith_short_8: N2DRVNWX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N2DRVNWXO76IUVIGJOVWWUXEGO \
  | 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: 6e871ab6d777fc8a55064bab6b52e43393a24794186d02e53cadc0d1f37c3bab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "32ebe60de3488765fae5b4cef5cb5cd14db7e464d05d4710ff69122fa02c421a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-11-18T07:02:02Z",
    "title_canon_sha256": "d9983abea4efefa72a8090d1a342b0787f891795660ab1c0f9b5b546f7a634bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4199",
    "kind": "arxiv",
    "version": 1
  }
}