Pith Number

pith:2L2SKD4D

pith:2013:2L2SKD4DUUUUJ7HLVO6BAZWGCO

not attested not anchored not stored refs pending

Achieving Selective Damage Interrogation and Sub-Wavelength Resolution in Thin Plates with Embedded Metamaterial Acoustic Lenses

Fabio Semperlotti, Hongfei Zhu

arxiv:1312.5756 v1 · 2013-12-18 · cond-mat.mtrl-sci · 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{2L2SKD4DUUUUJ7HLVO6BAZWGCO}

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	2026-05-18T01:45:43.650803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f5250f83a52944fcebabbc1066c613850f3a44ad29919228ad409f34efb685

Aliases

arxiv: 1312.5756 · arxiv_version: 1312.5756v1 · doi: 10.48550/arxiv.1312.5756 · pith_short_12: 2L2SKD4DUUUU · pith_short_16: 2L2SKD4DUUUUJ7HL · pith_short_8: 2L2SKD4D

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/2L2SKD4DUUUUJ7HLVO6BAZWGCO \
  | 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: d2f5250f83a52944fcebabbc1066c613850f3a44ad29919228ad409f34efb685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e79d93c303a0a301beae27a3e408350c03b6a52937a85b1648370187c940fc8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-12-18T13:51:24Z",
    "title_canon_sha256": "1bca5c9eb3130f3c1cf189bbb6c70f6e8dafc52b6780941bf5eb14cfd7d873cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5756",
    "kind": "arxiv",
    "version": 1
  }
}