Pith Number

pith:RKFQDVVL

pith:2016:RKFQDVVLAWCA5RLU4JCYLTVY4V

not attested not anchored not stored refs pending

Phase Noise Influence in Long-range Coherent Optical OFDM Systems with Delay Detection, IFFT Multiplexing and FFT Demodulation

Gunnar Jacobsen, Sergei Popov, Sergey Sergeyev, Tianhua Xu, Yimo Zhang

arxiv:1607.06401 v1 · 2016-07-21 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKFQDVVLAWCA5RLU4JCYLTVY4V}

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	2026-05-18T01:10:41.915593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8b01d6ab05840ec574e24585ceb8e57fbb0acf9f5ad725b014988a171e9ae2

Aliases

arxiv: 1607.06401 · arxiv_version: 1607.06401v1 · doi: 10.48550/arxiv.1607.06401 · pith_short_12: RKFQDVVLAWCA · pith_short_16: RKFQDVVLAWCA5RLU · pith_short_8: RKFQDVVL

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/RKFQDVVLAWCA5RLU4JCYLTVY4V \
  | 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: 8a8b01d6ab05840ec574e24585ceb8e57fbb0acf9f5ad725b014988a171e9ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be23f346e7ab0a97e47350aeca263246cfad05f93bb5a0bb8a6d15aa4d1fad32",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-21T17:28:44Z",
    "title_canon_sha256": "aaeac278b9145ddb3d7797d080a1600b0cc55f4e19741582f45460795e2a7139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06401",
    "kind": "arxiv",
    "version": 1
  }
}