Pith Number

pith:ALBPNBOQ

pith:2012:ALBPNBOQNSK225WZ6H2J5K5UVQ

not attested not anchored not stored refs pending

Comment on "Design of acoustic devices with isotropic material via conformal transformation" [Appl. Phys. Lett. 97, 044101 (2010)]

Andrew N. Norris

arxiv:1201.1470 v1 · 2012-01-06 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALBPNBOQNSK225WZ6H2J5K5UVQ}

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	2026-05-18T04:02:24.827908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02c2f685d06c95ad76d9f1f49eabb4ac1a3be6ea7162f2497bdc2f3cfd0cbd83

Aliases

arxiv: 1201.1470 · arxiv_version: 1201.1470v1 · doi: 10.48550/arxiv.1201.1470 · pith_short_12: ALBPNBOQNSK2 · pith_short_16: ALBPNBOQNSK225WZ · pith_short_8: ALBPNBOQ

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/ALBPNBOQNSK225WZ6H2J5K5UVQ \
  | 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: 02c2f685d06c95ad76d9f1f49eabb4ac1a3be6ea7162f2497bdc2f3cfd0cbd83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef76ec671c5e044b2bce2af8ed2f18727816a25aa48c9eaf09092fd7f3c3bd5",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-01-06T18:37:03Z",
    "title_canon_sha256": "9e2e8d7efb0a453426c49b9e0011c92b0be9af6d72e9ca5e0e1238862bb0a832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1470",
    "kind": "arxiv",
    "version": 1
  }
}