Pith Number

pith:LT47EYLK

pith:2017:LT47EYLKZ57FFVZZ5T2MANC2SK

not attested not anchored not stored refs pending

Perfect Broadband Invisibility in Isotropic Media with Gain and Loss

Ali Mostafazadeh, Farhang Loran

arxiv:1705.00500 v1 · 2017-05-01 · physics.optics · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LT47EYLKZ57FFVZZ5T2MANC2SK}

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	2026-05-18T00:23:39.205997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf9f2616acf7e52d739ecf4c0345a92b281a93f95e73e5a1362297be749cd84

Aliases

arxiv: 1705.00500 · arxiv_version: 1705.00500v1 · doi: 10.48550/arxiv.1705.00500 · pith_short_12: LT47EYLKZ57F · pith_short_16: LT47EYLKZ57FFVZZ · pith_short_8: LT47EYLK

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/LT47EYLKZ57FFVZZ5T2MANC2SK \
  | 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: 5cf9f2616acf7e52d739ecf4c0345a92b281a93f95e73e5a1362297be749cd84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c70d9314d9fa5e7f7fe23b9282a777c44f96794a0fbb3416bda04c069d5e5741",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-01T13:02:14Z",
    "title_canon_sha256": "07d342037a09e0ab0823781c40065c2a30cccdfde93afe52f50ab1f44ff04686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00500",
    "kind": "arxiv",
    "version": 1
  }
}