Pith Number

pith:SO6RFEMU

pith:2019:SO6RFEMUHVGSKUY6OTGRF75KOZ

not attested not anchored not stored refs pending

Acoustic-optic Q-switched cavityless weak-feedback laser based on Nd:GdVO4 bounce geometry

Mali Gong, Qiang Liu, Rui Guo

arxiv:1904.04967 v1 · 2019-04-10 · 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{SO6RFEMUHVGSKUY6OTGRF75KOZ}

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	2026-05-17T23:42:19.984219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93bd1291943d4d25531e74cd12ffaa76790ca146a592f560f095388dcb67e6c6

Aliases

arxiv: 1904.04967 · arxiv_version: 1904.04967v1 · doi: 10.48550/arxiv.1904.04967 · pith_short_12: SO6RFEMUHVGS · pith_short_16: SO6RFEMUHVGSKUY6 · pith_short_8: SO6RFEMU

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/SO6RFEMUHVGSKUY6OTGRF75KOZ \
  | 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: 93bd1291943d4d25531e74cd12ffaa76790ca146a592f560f095388dcb67e6c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650583d2c5666b6c51511cc123011525f48ef5f31fb6e304b09a7a9ff0c64651",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-10T01:27:04Z",
    "title_canon_sha256": "3ec42aaeadec294776edc567c84d4b4526cf259e36696589599d603e7fd06b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04967",
    "kind": "arxiv",
    "version": 1
  }
}