Pith Number

pith:C2XXELOZ

pith:2015:C2XXELOZ2ELG5HJLXZ4NDKEHIQ

not attested not anchored not stored refs pending

Orbital Angular Momentum (OAM) Vertical-Cavity Surface-Emitting Lasers

Daniel Ho, David Phillips, Huanlu Li, Jiangbo Zhu, Lifeng Chen, Siyuan Yu, Xiaoqi Zhou, Xinlun Cai, Xuyang Wang

arxiv:1502.06773 v1 · 2015-02-24 · 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{C2XXELOZ2ELG5HJLXZ4NDKEHIQ}

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	2026-05-18T02:26:28.663659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16af722dd9d1166e9d2bbe78d1a88744146c9d7596b2ca838679e35d6ca1d459

Aliases

arxiv: 1502.06773 · arxiv_version: 1502.06773v1 · doi: 10.48550/arxiv.1502.06773 · pith_short_12: C2XXELOZ2ELG · pith_short_16: C2XXELOZ2ELG5HJL · pith_short_8: C2XXELOZ

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/C2XXELOZ2ELG5HJLXZ4NDKEHIQ \
  | 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: 16af722dd9d1166e9d2bbe78d1a88744146c9d7596b2ca838679e35d6ca1d459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a270d8ef6247a3b5012f7af4b6c1102c1c1aa30b9e4066b22dead6f28bd238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-24T11:37:33Z",
    "title_canon_sha256": "ccc1d7194040f9ec46b9dfcec874f375668c3b2489d4b6dbfb9b37afaf087fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06773",
    "kind": "arxiv",
    "version": 1
  }
}