Pith Number

pith:7VMSCL2V

pith:2016:7VMSCL2VYNWKOSW75TUJYJHPA3

not attested not anchored not stored refs pending

A Low-Frequency Tone Sweep Method for in-Service Fault Location in Sub-Carrier Multiplexed Optical Fiber Networks

Andrea Baldivieso, Diego C. Villafani, Gustavo C. Amaral, Jean Pierre von der Weid, Joaquim Dias Garcia, Luis E. Y. Herrera, Patryk J. Urban, Renata G. Leibel

arxiv:1609.02933 v1 · 2016-09-06 · physics.ins-det · 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{7VMSCL2VYNWKOSW75TUJYJHPA3}

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	2026-05-18T00:44:00.146581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd59212f55c36ca74adfece89c24ef06c7d349bbf0758cc6aff44ca2d87ec955

Aliases

arxiv: 1609.02933 · arxiv_version: 1609.02933v1 · doi: 10.48550/arxiv.1609.02933 · pith_short_12: 7VMSCL2VYNWK · pith_short_16: 7VMSCL2VYNWKOSW7 · pith_short_8: 7VMSCL2V

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/7VMSCL2VYNWKOSW75TUJYJHPA3 \
  | 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: fd59212f55c36ca74adfece89c24ef06c7d349bbf0758cc6aff44ca2d87ec955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46bd0f2dc7f657daff4266217dc58cc37c835827377aae5438dfa30f63e47305",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-09-06T23:48:10Z",
    "title_canon_sha256": "99799f8ffb29ba8f7c27d54724a67a870b76c9822e53b6a7e3b7ee7b2e16c631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02933",
    "kind": "arxiv",
    "version": 1
  }
}