Pith Number

pith:NPWGX7NN

pith:2021:NPWGX7NNBG7HDKQCUWGAUXBOFE

not attested not anchored not stored refs pending

Quantum-Enhanced Stimulated Brillouin Scattering Spectroscopy and Imaging

Fu Li, Girish S. Agarwal, Tian Li, Vladislav V. Yakovlev, Xinghua Liu

arxiv:2112.02777 v4 · 2021-12-06 · physics.optics · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPWGX7NNBG7HDKQCUWGAUXBOFE}

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	2026-07-05T09:06:38.560983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bec6bfdad09be71aa02a58c0a5c2e293a2d209a25153e194cc65c91eec1cb62

Aliases

arxiv: 2112.02777 · arxiv_version: 2112.02777v4 · doi: 10.48550/arxiv.2112.02777 · pith_short_12: NPWGX7NNBG7H · pith_short_16: NPWGX7NNBG7HDKQC · pith_short_8: NPWGX7NN

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/NPWGX7NNBG7HDKQCUWGAUXBOFE \
  | 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: 6bec6bfdad09be71aa02a58c0a5c2e293a2d209a25153e194cc65c91eec1cb62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ea7aa25b7b4f0eb0f140b5d4028d44d5c107872e89ed7452d01c6dd471982cf",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-06T04:17:26Z",
    "title_canon_sha256": "828b47009a5cc0238187c41801711ee1bc2e2e33030b499367850b45ebadb3e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02777",
    "kind": "arxiv",
    "version": 4
  }
}