Pith Number

pith:NXOEFKFL

pith:2022:NXOEFKFLLZGLZRNHBTPAPMAFBN

not attested not anchored not stored refs pending

Efficient demodulation scheme for multilevel modulation based optical camera communication

Maolin Li, Weipeng Guan, Zihao Zhou

arxiv:2201.05784 v1 · 2022-01-15 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXOEFKFLLZGLZRNHBTPAPMAFBN}

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	2026-07-05T03:48:51.537540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddc42a8ab5e4cbcc5a70cde07b0050b58b061c0c5af140f8a9eff3cbe9c7ee8

Aliases

arxiv: 2201.05784 · arxiv_version: 2201.05784v1 · doi: 10.48550/arxiv.2201.05784 · pith_short_12: NXOEFKFLLZGL · pith_short_16: NXOEFKFLLZGLZRNH · pith_short_8: NXOEFKFL

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/NXOEFKFLLZGLZRNHBTPAPMAFBN \
  | 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: 6ddc42a8ab5e4cbcc5a70cde07b0050b58b061c0c5af140f8a9eff3cbe9c7ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72d2b081f291dde0055c1af68eb10621240de31ca797a7e5e9f0cbcf639d5c1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-01-15T08:06:53Z",
    "title_canon_sha256": "e2b8cf436f6ee1fd01bdfb7116fab4abcd98c55144921474695f4aca21df68f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05784",
    "kind": "arxiv",
    "version": 1
  }
}