Pith Number

pith:WWAXE7WH

pith:2018:WWAXE7WHOUMV4OW7UZW5BN7IPO

not attested not anchored not stored refs pending

Generalized Parity-Time Symmetry Condition for Enhanced Sensor Telemetry

Andrea Al\`u, Mark Cheng, Maryam Sakhdari, Mehdi Hajizadegan, Pai-Yen Chen, Qingsong Cui, Ramy El-Ganainy

arxiv:1812.08296 v1 · 2018-12-20 · physics.optics · physics.app-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{WWAXE7WHOUMV4OW7UZW5BN7IPO}

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	2026-05-17T23:57:51.704980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b581727ec775195e3adfa66dd0b7e87bb2bbaaba797ab25ebc30262440a8cecf

Aliases

arxiv: 1812.08296 · arxiv_version: 1812.08296v1 · doi: 10.48550/arxiv.1812.08296 · pith_short_12: WWAXE7WHOUMV · pith_short_16: WWAXE7WHOUMV4OW7 · pith_short_8: WWAXE7WH

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/WWAXE7WHOUMV4OW7UZW5BN7IPO \
  | 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: b581727ec775195e3adfa66dd0b7e87bb2bbaaba797ab25ebc30262440a8cecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f3649930ac3393ba9e74d7e8ce94b3776ea068b6023247a61068c8423d09ca",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-20T00:33:27Z",
    "title_canon_sha256": "17ec58580bbe3ae1e6991a0e286425c57d501ff5a26a1afcf30b3f14aab1a9e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08296",
    "kind": "arxiv",
    "version": 1
  }
}