Pith Number

pith:KEXXF7QT

pith:2025:KEXXF7QTMLGQRFK6HZVHLAFSAG

not attested not anchored not stored refs pending

On-demand longitudinal transformations of light beams via an amplitude-phase-decoupled Pancharatnam-Berry phase element

Bingyan Wei, Dandan Wen, Hui Liu, Jialong Yan, Jianlin Zhao, Peng Li, Sheng Liu, Yanke Li, Yuqi Zhang, Yu Zou

arxiv:2505.01027 v2 · 2025-05-02 · 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{KEXXF7QTMLGQRFK6HZVHLAFSAG}

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	2026-07-05T11:00:44.518712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

512f72fe1362cd08955e3e6a7580b20199aa37857dd1bbdbfd1835cf0baa28bb

Aliases

arxiv: 2505.01027 · arxiv_version: 2505.01027v2 · doi: 10.48550/arxiv.2505.01027 · pith_short_12: KEXXF7QTMLGQ · pith_short_16: KEXXF7QTMLGQRFK6 · pith_short_8: KEXXF7QT

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/KEXXF7QTMLGQRFK6HZVHLAFSAG \
  | 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: 512f72fe1362cd08955e3e6a7580b20199aa37857dd1bbdbfd1835cf0baa28bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903ec58e76c5a46f690b27e7b15aac83074e427291a14b572eb073a5a80d768a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-02T05:52:01Z",
    "title_canon_sha256": "359b6bb3018fc843222a8b26ba0e0169a6b1243ac024e984028852d9a01c2404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01027",
    "kind": "arxiv",
    "version": 2
  }
}