Pith. sign in
Pith Number

pith:UH2UKG4O

pith:2021:UH2UKG4O334PJ2CZJSV2HQSVKF
not attested not anchored not stored refs pending

Room-temperature continuous-wave Dirac-vortex topological lasers on silicon

Haochuan Li, Huiyun Liu, Jingwen Ma, Mickael Martin, Mingchu Tang, Siming Chen, Taojie Zhou, Thierry Baron, Xiang Xi, Xiankai Sun, Zhan Zhang, Zhaoyu Zhang

arxiv:2106.13838 v1 · 2021-06-25 · physics.optics · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UH2UKG4O334PJ2CZJSV2HQSVKF}

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 2026-07-05T07:08:38.689466Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1f5451b8edef8f4e8594caba3c255514c4183187246578c3e4efcc380637945

Aliases

arxiv: 2106.13838 · arxiv_version: 2106.13838v1 · doi: 10.48550/arxiv.2106.13838 · pith_short_12: UH2UKG4O334P · pith_short_16: UH2UKG4O334PJ2CZ · pith_short_8: UH2UKG4O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UH2UKG4O334PJ2CZJSV2HQSVKF \
  | 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: a1f5451b8edef8f4e8594caba3c255514c4183187246578c3e4efcc380637945
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7625021c0eb79c69a2d60a7d0073582c2fbbefccab64bf10b7da3188e225f2e4",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-06-25T18:29:21Z",
    "title_canon_sha256": "942fe97a48b9753b59b92453e10c847a0bdfd16f918686850a17d3f0696cb284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13838",
    "kind": "arxiv",
    "version": 1
  }
}