Pith Number

pith:FL4X5D44

pith:2014:FL4X5D44J2BRQHQJCHO5QLXKLC

not attested not anchored not stored refs pending

Acoustic metamaterial absorbers based on confined sonic crystals

Jos\'e S\'anchez-Dehesa, Matthew D. Guild, Victor M. Garcia-Chocano, Weiwei Kan

arxiv:1405.7200 v1 · 2014-05-28 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FL4X5D44J2BRQHQJCHO5QLXKLC}

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	2026-05-18T01:43:05.426124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af97e8f9c4e83181e0911ddd82eea589ce9f54dfd7ac6bff670adf944a5471d

Aliases

arxiv: 1405.7200 · arxiv_version: 1405.7200v1 · doi: 10.48550/arxiv.1405.7200 · pith_short_12: FL4X5D44J2BR · pith_short_16: FL4X5D44J2BRQHQJ · pith_short_8: FL4X5D44

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/FL4X5D44J2BRQHQJCHO5QLXKLC \
  | 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: 2af97e8f9c4e83181e0911ddd82eea589ce9f54dfd7ac6bff670adf944a5471d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beae07cb7252f632c43f4f9f4bacbfc3ac3b8951b1471891a11f980e0b902de9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-05-28T11:18:41Z",
    "title_canon_sha256": "ca446421cb88fe9917e1875d9d05acfee3f22887bd4bafc0be23e5f81420d047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7200",
    "kind": "arxiv",
    "version": 1
  }
}