Pith Number

pith:D44LJ6WX

pith:2015:D44LJ6WXOV6DPWPT3SRZLCO4VJ

not attested not anchored not stored refs pending

On regularized full- and partial-cloaks in acoustic scattering

Gunther Uhlmann, Hongyu Liu, Youjun Deng

arxiv:1502.01174 v2 · 2015-02-04 · math.AP · 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{D44LJ6WXOV6DPWPT3SRZLCO4VJ}

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	2026-05-18T01:35:04.935621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f38b4fad7757c37d9f3dca39589dcaa7c48d29a63cbc22508c4041860f170b9

Aliases

arxiv: 1502.01174 · arxiv_version: 1502.01174v2 · doi: 10.48550/arxiv.1502.01174 · pith_short_12: D44LJ6WXOV6D · pith_short_16: D44LJ6WXOV6DPWPT · pith_short_8: D44LJ6WX

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/D44LJ6WXOV6DPWPT3SRZLCO4VJ \
  | 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: 1f38b4fad7757c37d9f3dca39589dcaa7c48d29a63cbc22508c4041860f170b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcb69a69029c36a3fcf45aaf204ed55967f27a42b9f7bf9a17c7ba876cdc60e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-04T12:25:39Z",
    "title_canon_sha256": "3871269405b89a27f66771e978d396ac439401d885e1a687129045224511adc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01174",
    "kind": "arxiv",
    "version": 2
  }
}