Pith Number

pith:5LCKNPQJ

pith:2019:5LCKNPQJDLHSFBEPYJNY45RJXF

not attested not anchored not stored refs pending

Stealth acoustic materials

G. Theocharis, L. M. Garc\'ia-Raffi, N. Lamothe, O. Richoux, V. Romero-Garc\'ia

arxiv:1904.11198 v2 · 2019-04-25 · physics.app-ph · 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{5LCKNPQJDLHSFBEPYJNY45RJXF}

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	2026-05-17T23:44:11.166105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac4a6be091acf22848fc25b8e7629b94101fdabedcce40491273f60dc3fb123

Aliases

arxiv: 1904.11198 · arxiv_version: 1904.11198v2 · doi: 10.48550/arxiv.1904.11198 · pith_short_12: 5LCKNPQJDLHS · pith_short_16: 5LCKNPQJDLHSFBEP · pith_short_8: 5LCKNPQJ

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/5LCKNPQJDLHSFBEPYJNY45RJXF \
  | 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: eac4a6be091acf22848fc25b8e7629b94101fdabedcce40491273f60dc3fb123

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8980618ce812726b19f49b16635d91db91bd01999f3b9a636bfdf0fc38abd46f",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-04-25T08:15:39Z",
    "title_canon_sha256": "58e979547d30e0e96c53a53f4358a866c14f2ae5396a25026b5274646c014776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11198",
    "kind": "arxiv",
    "version": 2
  }
}