Pith Number

pith:SQZNEJU5

pith:2015:SQZNEJU5WOXHZHE5FZXE7DGQGV

not attested not anchored not stored refs pending

Non-reciprocal transmission in photonic lattices based on unidirectional coherent perfect absorption

Stefano Longhi

arxiv:1502.02235 v1 · 2015-02-08 · physics.optics · 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{SQZNEJU5WOXHZHE5FZXE7DGQGV}

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	2026-05-18T01:19:38.841376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9432d2269db3ae7c9c9d2e6e4f8cd03558ee42777a55b90ffcfeb577de65fa99

Aliases

arxiv: 1502.02235 · arxiv_version: 1502.02235v1 · doi: 10.48550/arxiv.1502.02235 · pith_short_12: SQZNEJU5WOXH · pith_short_16: SQZNEJU5WOXHZHE5 · pith_short_8: SQZNEJU5

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/SQZNEJU5WOXHZHE5FZXE7DGQGV \
  | 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: 9432d2269db3ae7c9c9d2e6e4f8cd03558ee42777a55b90ffcfeb577de65fa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce249dd0112cda36f5782e512db0299bae08b9626b6b39d8d1b37947d4b297a8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-08T10:36:25Z",
    "title_canon_sha256": "763a4fabc59fa59dc340f302dff768038db0538d61ebd18efcd2ea5f685499b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02235",
    "kind": "arxiv",
    "version": 1
  }
}