Pith Number

pith:FFWL2FXH

pith:2014:FFWL2FXHSKYFDM3FVXSZL2V5CH

not attested not anchored not stored refs pending

Using Delta-Sigma Modulators in Visible Light OFDM Systems

Arthur J. Redfern, G. Tong Zhou, Zhenhua Yu

arxiv:1401.1171 v2 · 2014-01-06 · 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{FFWL2FXHSKYFDM3FVXSZL2V5CH}

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	2026-05-18T02:49:09.855616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296cbd16e792b051b365ade595eabd11f9afb4cadedd6702a31fa4456783b9f7

Aliases

arxiv: 1401.1171 · arxiv_version: 1401.1171v2 · doi: 10.48550/arxiv.1401.1171 · pith_short_12: FFWL2FXHSKYF · pith_short_16: FFWL2FXHSKYFDM3F · pith_short_8: FFWL2FXH

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/FFWL2FXHSKYFDM3FVXSZL2V5CH \
  | 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: 296cbd16e792b051b365ade595eabd11f9afb4cadedd6702a31fa4456783b9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94acf6fdcfc71f105f478753ec2ee8ccd390797ffd6deb77f8ec8bd2257b2fae",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-06T19:23:30Z",
    "title_canon_sha256": "67cded845080cc139955048576a88f077dda7d1dec04a1abdd7cdd6700a15e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1171",
    "kind": "arxiv",
    "version": 2
  }
}