Pith Number

pith:REOOU42Y

pith:2018:REOOU42Y7MBQQ76XSJVIVH2TS3

not attested not anchored not stored refs pending

Dual-wavelength vortex beam with high stability in diode-pumped Yb:CaGdAlO4 Laser

Mali Gong, Xing Fu, Yijie Shen, Yuan Meng

arxiv:1801.06808 v1 · 2018-01-21 · 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{REOOU42Y7MBQQ76XSJVIVH2TS3}

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	2026-05-18T00:18:11.575041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891cea7358fb03087fd7926a8a9f5396c0e87fe202b5c13616d02bf61d801fe7

Aliases

arxiv: 1801.06808 · arxiv_version: 1801.06808v1 · doi: 10.48550/arxiv.1801.06808 · pith_short_12: REOOU42Y7MBQ · pith_short_16: REOOU42Y7MBQQ76X · pith_short_8: REOOU42Y

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/REOOU42Y7MBQQ76XSJVIVH2TS3 \
  | 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: 891cea7358fb03087fd7926a8a9f5396c0e87fe202b5c13616d02bf61d801fe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74571cd0936497915ba26d330cd534eba942e5e83002402d2c72691576ae4e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-21T11:19:19Z",
    "title_canon_sha256": "897b1e5a387fad89684afa1457bc7e636f173e188bcd1b794b510999b479b8b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06808",
    "kind": "arxiv",
    "version": 1
  }
}