Pith Number

pith:YB7WPUXV

pith:2017:YB7WPUXVJYTAJCJKHWTGKJDRQR

not attested not anchored not stored refs pending

Experimental demonstration of valley-Hall topological photonic crystal at telecommunication wavelengths

Alexander Tsukernik, Mikhail I. Shalaev, Natalia M. Litchinitser, Wiktor Walasik, Yun Xu

arxiv:1712.07284 v3 · 2017-12-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YB7WPUXVJYTAJCJKHWTGKJDRQR}

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	2026-05-18T00:15:41.849211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c07f67d2f54e2604892a3da66524718452c89e175c516eb0c0270abae5899117

Aliases

arxiv: 1712.07284 · arxiv_version: 1712.07284v3 · doi: 10.48550/arxiv.1712.07284 · pith_short_12: YB7WPUXVJYTA · pith_short_16: YB7WPUXVJYTAJCJK · pith_short_8: YB7WPUXV

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/YB7WPUXVJYTAJCJKHWTGKJDRQR \
  | 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: c07f67d2f54e2604892a3da66524718452c89e175c516eb0c0270abae5899117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f5d870734415295d6ab6edb00287d2688f0222cad6f0b1aab0f18fb98c004d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-12-20T01:28:42Z",
    "title_canon_sha256": "12eee2ce2c6ff063496665f76a398b13dd0f37a0cd09a11da488273a29585898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07284",
    "kind": "arxiv",
    "version": 3
  }
}