Pith Number

pith:6R44K2PF

pith:2021:6R44K2PF6QYDP26K6TLXVLLFIJ

not attested not anchored not stored refs pending

Optically reconfigurable quantum spin-valley Hall effect of light in coupled nonlinear ring resonator lattice

Haofan Yang, Jing Xu, Ruo-Yang Zhang, Shuang Zhang, Xinda Lu, Yuntian Chen, Zhongfei Xiong

arxiv:2102.08750 v1 · 2021-02-17 · 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{6R44K2PF6QYDP26K6TLXVLLFIJ}

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	2026-07-05T03:01:14.673979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f479c569e5f43037ebcaf4d77aad654248cff482ed9ff5bc09d4e553539bdea1

Aliases

arxiv: 2102.08750 · arxiv_version: 2102.08750v1 · doi: 10.48550/arxiv.2102.08750 · pith_short_12: 6R44K2PF6QYD · pith_short_16: 6R44K2PF6QYDP26K · pith_short_8: 6R44K2PF

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/6R44K2PF6QYDP26K6TLXVLLFIJ \
  | 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: f479c569e5f43037ebcaf4d77aad654248cff482ed9ff5bc09d4e553539bdea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a24d9722e185d36ea53b3d6fc3132f597f432e7d76c23ae728f5a0bdc84a81b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-02-17T13:35:16Z",
    "title_canon_sha256": "1af21482b929324eb575dbb16eb0daa983bc004eba91edd77ad5371d3dcdef1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08750",
    "kind": "arxiv",
    "version": 1
  }
}