Pith Number

pith:NCLU4IT3

pith:2019:NCLU4IT3WWPICWZO6XVGJK3RC5

not attested not anchored not stored refs pending

Experimental Demonstration of Data Transmission Based on the Exact Inverse Periodic Nonlinear Fourier Transform

Hartmut Hafermann, Jan-Willem Goossens, Yves Jaou\"en

arxiv:1904.12824 v1 · 2019-04-29 · cs.IT · eess.SP · 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{NCLU4IT3WWPICWZO6XVGJK3RC5}

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	2026-05-17T23:47:32.150668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68974e227bb59e815b2ef5ea64ab71177f2dbe940e63ff534efa704fbdc64ca4

Aliases

arxiv: 1904.12824 · arxiv_version: 1904.12824v1 · doi: 10.48550/arxiv.1904.12824 · pith_short_12: NCLU4IT3WWPI · pith_short_16: NCLU4IT3WWPICWZO · pith_short_8: NCLU4IT3

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/NCLU4IT3WWPICWZO6XVGJK3RC5 \
  | 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: 68974e227bb59e815b2ef5ea64ab71177f2dbe940e63ff534efa704fbdc64ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f315e94415970c7539bcd4bb2050c7d5e42cadf2c220792df3132c6075f357ec",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-29T17:09:01Z",
    "title_canon_sha256": "0eb03dc3ca90e0c75eede5c5a84f06300a9cea01fad7f6b190d20d843c8e5324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12824",
    "kind": "arxiv",
    "version": 1
  }
}