Pith Number

pith:FADXAYFC

pith:2019:FADXAYFC3ZN6DHEEFSLMK7MJD6

not attested not anchored not stored refs pending

Design and Performance Analysis of an Index Time Frequency Modulation Scheme for Optical Communications

Alexandre Wagemakers, Francisco J. Escribano, Georges Kaddoum, Joao V. C. Evangelista

arxiv:1905.11461 v1 · 2019-05-27 · eess.SP · 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{FADXAYFC3ZN6DHEEFSLMK7MJD6}

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	2026-07-05T00:43:54.499554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28077060a2de5be19c842c96c57d891fa7f4ff1e2086909d5ec4a1956467b2ae

Aliases

arxiv: 1905.11461 · arxiv_version: 1905.11461v1 · doi: 10.48550/arxiv.1905.11461 · pith_short_12: FADXAYFC3ZN6 · pith_short_16: FADXAYFC3ZN6DHEE · pith_short_8: FADXAYFC

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/FADXAYFC3ZN6DHEEFSLMK7MJD6 \
  | 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: 28077060a2de5be19c842c96c57d891fa7f4ff1e2086909d5ec4a1956467b2ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d07157567cd953f643e5b4c975ce00a7bfde60032e19cadf4f9ae96dea263ea4",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-27T19:18:21Z",
    "title_canon_sha256": "84bcc0ad62ee28bd5a566047163ec37440d2cbee9eeb9f3f7b427a1c777af1f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11461",
    "kind": "arxiv",
    "version": 1
  }
}