Pith Number

pith:QBDJCYOE

pith:2015:QBDJCYOENG6FX2REDN3K5FRBU3

not attested not anchored not stored refs pending

Parametric amplification of orbital angular momentum beams based on light-acoustic interaction

Chunyuan Mu, Hongwei Li, Wei Gao, Yuqiang Yang, Zhihan Zhu

arxiv:1505.00706 v3 · 2015-05-04 · 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{QBDJCYOENG6FX2REDN3K5FRBU3}

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	2026-05-18T01:35:38.056646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80469161c469bc5bea241b76ae9621a6db69016a899be71e1c7cc4eaa8027bd6

Aliases

arxiv: 1505.00706 · arxiv_version: 1505.00706v3 · doi: 10.48550/arxiv.1505.00706 · pith_short_12: QBDJCYOENG6F · pith_short_16: QBDJCYOENG6FX2RE · pith_short_8: QBDJCYOE

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/QBDJCYOENG6FX2REDN3K5FRBU3 \
  | 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: 80469161c469bc5bea241b76ae9621a6db69016a899be71e1c7cc4eaa8027bd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "967ba0154cc6110f6dce04635eb6b7b619b41cbb19b964c3d1f71bf49c0f7997",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-04T16:54:21Z",
    "title_canon_sha256": "0d3a893a899069bcab5bda4675c2f89d978bb83ca213b6ba6fcd560497faa94d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00706",
    "kind": "arxiv",
    "version": 3
  }
}