Pith Number

pith:6QVIWM4F

pith:2018:6QVIWM4FX2RBRI45VTUHKBZ77L

not attested not anchored not stored refs pending

High Power, Tunable, Continuous-Wave Fiber Lasers in the L-band using Cascaded Raman Amplifiers

Roopa Prakash, S Arun, Vishal Choudhury, V R Supradeepa

arxiv:1807.00117 v1 · 2018-06-30 · 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{6QVIWM4FX2RBRI45VTUHKBZ77L}

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	2026-05-18T00:08:14.536302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42a8b3385bea218a39dace875073ffad12c3de114ee0ec309c80c16ba9c0edd

Aliases

arxiv: 1807.00117 · arxiv_version: 1807.00117v1 · doi: 10.48550/arxiv.1807.00117 · pith_short_12: 6QVIWM4FX2RB · pith_short_16: 6QVIWM4FX2RBRI45 · pith_short_8: 6QVIWM4F

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/6QVIWM4FX2RBRI45VTUHKBZ77L \
  | 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: f42a8b3385bea218a39dace875073ffad12c3de114ee0ec309c80c16ba9c0edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb0764b391096683a02aab538afb64a82b6c37b32fe7296ff964ec1b919d617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-06-30T03:24:22Z",
    "title_canon_sha256": "26e413772e7d826a5507dca0c6a2254dda3374c4124ada98c090665f5dde6fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00117",
    "kind": "arxiv",
    "version": 1
  }
}