Pith Number

pith:KZLYXU2E

pith:2008:KZLYXU2EHRNYMQNESXFJSFIQC5

not attested not anchored not stored refs pending

Extraordinary sound screening in perforated plates

Antonio Uris, Francisco Belmar, Francisco J. Garcia de Abajo, Francisco Meseguer, Hector Estrada, Pilar Candelas

arxiv:0804.2830 v1 · 2008-04-17 · cond-mat.other · 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{KZLYXU2EHRNYMQNESXFJSFIQC5}

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	2026-05-18T03:41:11.359141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56578bd3443c5b8641a495ca9915101773c6aef624ba62151567501896f37421

Aliases

arxiv: 0804.2830 · arxiv_version: 0804.2830v1 · doi: 10.48550/arxiv.0804.2830 · pith_short_12: KZLYXU2EHRNY · pith_short_16: KZLYXU2EHRNYMQNE · pith_short_8: KZLYXU2E

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/KZLYXU2EHRNYMQNESXFJSFIQC5 \
  | 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: 56578bd3443c5b8641a495ca9915101773c6aef624ba62151567501896f37421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f431caa8d96313007a59e42f31d9143c72f39f66537dddf0972e07c4f4362d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2008-04-17T14:43:33Z",
    "title_canon_sha256": "1140b30a7e159165fd54e9aaf454a1127b12860d2506c1738fac74c94ce3167d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2830",
    "kind": "arxiv",
    "version": 1
  }
}