Pith Number

pith:FRQQLXIY

pith:2018:FRQQLXIYUMJ7MHQRELI7N6VKB4

not attested not anchored not stored refs pending

Observing the Effects of Legacy 10G on 100G Channels in Dispersion Managed Optical Systems

Andrea Castoldi, Emanuele Virgillito, Rosanna Pastorelli, Silvio Abrate, Stefano Straullu, Vittorio Curri

arxiv:1901.03373 v1 · 2018-12-07 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRQQLXIYUMJ7MHQRELI7N6VKB4}

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	2026-05-17T23:56:31.426575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6105dd18a313f61e1122d1f6faaa0f21b501429ed68365e703cfb69bc6f376

Aliases

arxiv: 1901.03373 · arxiv_version: 1901.03373v1 · doi: 10.48550/arxiv.1901.03373 · pith_short_12: FRQQLXIYUMJ7 · pith_short_16: FRQQLXIYUMJ7MHQR · pith_short_8: FRQQLXIY

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/FRQQLXIYUMJ7MHQRELI7N6VKB4 \
  | 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: 2c6105dd18a313f61e1122d1f6faaa0f21b501429ed68365e703cfb69bc6f376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c611ce0605a90f2ac061ee244b224deb477c6916ed34b08430cc875b6332d8c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-07T12:45:38Z",
    "title_canon_sha256": "a6171468a50e99fef3726ad521dd73df681d813081415fb194517fb4e44dc789"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03373",
    "kind": "arxiv",
    "version": 1
  }
}