Pith Number

pith:QFLTF7TE

pith:2017:QFLTF7TENHGZLAXL2BLCORL57M

not attested not anchored not stored refs pending

Integrated cladding-pumped multi-core, few-mode erbium-doped fibre amplifier for space-division multiplexed communications

B. Huang, C. Jin, G. Li, H. Chen, K. Shang, N. Gr\'egoire, N. K. Fontaine, R.-J. Essiambre, R. Ryf, S. Larochelle, S. Morency, Y. Messaddeq

arxiv:1703.06475 v1 · 2017-03-19 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFLTF7TENHGZLAXL2BLCORL57M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:48:22.743816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815732fe6469cd9582ebd05627457dfb3df52a4030d9f3f483d2a5a42760444b

Aliases

arxiv: 1703.06475 · arxiv_version: 1703.06475v1 · doi: 10.48550/arxiv.1703.06475 · pith_short_12: QFLTF7TENHGZ · pith_short_16: QFLTF7TENHGZLAXL · pith_short_8: QFLTF7TE

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/QFLTF7TENHGZLAXL2BLCORL57M \
  | 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: 815732fe6469cd9582ebd05627457dfb3df52a4030d9f3f483d2a5a42760444b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "524cd23cf3b678b195f39164f66f3fa8821e387aa33d8437ec80da4c601c737a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-19T17:43:18Z",
    "title_canon_sha256": "2f48fcf780931360cec06c84e675aa66ffb46705b1d9c9632ba1b6def78eee75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06475",
    "kind": "arxiv",
    "version": 1
  }
}