Pith Number

pith:BG5FNS3E

pith:2025:BG5FNS3EWOWB4KF74KMZ27K6FE

not attested not anchored not stored refs pending

Realization of a Dirac-vortex topological photonic crystal fiber

Bei Yan, Hao Lin, Hui Zhang, Jian Wang, Jie Luo, Lei Shen, Lei Zhang, Mutian Xu, Perry Ping Shum, Quanhao Niu, Xi Zhang, Zhen Gao, Zhenyu Wan

arxiv:2503.04194 v1 · 2025-03-06 · 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{BG5FNS3EWOWB4KF74KMZ27K6FE}

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	2026-07-05T10:25:31.887492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ba56cb64b3ac1e28bfe2999d7d5e291d1dcb3136485115e6ebfa6a7ae80985

Aliases

arxiv: 2503.04194 · arxiv_version: 2503.04194v1 · doi: 10.48550/arxiv.2503.04194 · pith_short_12: BG5FNS3EWOWB · pith_short_16: BG5FNS3EWOWB4KF7 · pith_short_8: BG5FNS3E

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/BG5FNS3EWOWB4KF74KMZ27K6FE \
  | 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: 09ba56cb64b3ac1e28bfe2999d7d5e291d1dcb3136485115e6ebfa6a7ae80985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bea61f5396950b2af683d2ca3013c08246de9c9ed156ab71609880796a25a465",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-03-06T08:17:01Z",
    "title_canon_sha256": "e6c34db2a0f53482e007b9db616ffcb0afee12f790cbe663d0f2164a6b5b1886"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04194",
    "kind": "arxiv",
    "version": 1
  }
}