Pith Number

pith:QSHFEJYL

pith:2012:QSHFEJYLXXKNRKYND5EQOC74EM

not attested not anchored not stored refs pending

Source amplitudes for active exterior cloaking

Andrew N. Norris, Feruza A. Amirkulova, William J. Parnell

arxiv:1207.4801 v1 · 2012-07-18 · math-ph · cond-mat.mtrl-sci · 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{QSHFEJYLXXKNRKYND5EQOC74EM}

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	2026-05-18T03:45:52.824528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

848e52270bbdd4d8ab0d1f49070bfc2314842a411153d1d44de4c7fce1dd6721

Aliases

arxiv: 1207.4801 · arxiv_version: 1207.4801v1 · doi: 10.48550/arxiv.1207.4801 · pith_short_12: QSHFEJYLXXKN · pith_short_16: QSHFEJYLXXKNRKYN · pith_short_8: QSHFEJYL

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/QSHFEJYLXXKNRKYND5EQOC74EM \
  | 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: 848e52270bbdd4d8ab0d1f49070bfc2314842a411153d1d44de4c7fce1dd6721

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "208f9ddcff6f6b1d92ca71e32b0eb061179f7770c0cec11f32ac255a86689e3d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-18T19:44:31Z",
    "title_canon_sha256": "675e0b068667d16fedc974b4738f12419ae6ad3b8103b343039cba6122e57417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4801",
    "kind": "arxiv",
    "version": 1
  }
}