Pith Number

pith:IWUM5MPK

pith:2013:IWUM5MPKKPTP42OZ6OB3GIN2VP

not attested not anchored not stored refs pending

Detecting orbital angular momentum through division-of-amplitude interference with a circular plasmonic lens

Ai-Ping Liu, Guang-Can Guo, Guang-Hao Rui, Guo-Ping Guo, Qi-Wen Zhan, Xiao Xiong, Xi-Feng Ren, Yong-Jing Cai

arxiv:1308.2387 v2 · 2013-08-11 · physics.optics

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

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	2026-05-18T03:15:57.139270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a8ceb1ea53e6fe69d9f383b321baabf7f97468d5e015b814581543d86e1e2d

Aliases

arxiv: 1308.2387 · arxiv_version: 1308.2387v2 · doi: 10.48550/arxiv.1308.2387 · pith_short_12: IWUM5MPKKPTP · pith_short_16: IWUM5MPKKPTP42OZ · pith_short_8: IWUM5MPK

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/IWUM5MPKKPTP42OZ6OB3GIN2VP \
  | 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: 45a8ceb1ea53e6fe69d9f383b321baabf7f97468d5e015b814581543d86e1e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c061283adc2ba3e0f493c3ce1a7cb995923f4e402e7e82249abf5468d8275f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-08-11T12:40:24Z",
    "title_canon_sha256": "842ceaac278cf0a39d07d95207d9ecc901001df45103c7edfffd6ddf6e0ce4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2387",
    "kind": "arxiv",
    "version": 2
  }
}