Pith Number

pith:Y67NMZRR

pith:2017:Y67NMZRRHKUX6UWEQBZXAAMLID

not attested not anchored not stored refs pending

Probabilistically-Shaped Coded Modulation with Hard Decision Decoding for Coherent Optical Systems

Alexandre Graell i Amat, Alireza Sheikh, Gianluigi Liva

arxiv:1705.02283 v1 · 2017-05-05 · 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{Y67NMZRRHKUX6UWEQBZXAAMLID}

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	2026-05-18T00:44:58.666334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7bed666313aa97f52c4807370018b40e0d1eb53a6f4083d0669e21885faac1f

Aliases

arxiv: 1705.02283 · arxiv_version: 1705.02283v1 · doi: 10.48550/arxiv.1705.02283 · pith_short_12: Y67NMZRRHKUX · pith_short_16: Y67NMZRRHKUX6UWE · pith_short_8: Y67NMZRR

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/Y67NMZRRHKUX6UWEQBZXAAMLID \
  | 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: c7bed666313aa97f52c4807370018b40e0d1eb53a6f4083d0669e21885faac1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4567ebbf4be4b71413a0fd054b8c288d2ea8dc5826513776259f33727b93e28",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-05T16:13:08Z",
    "title_canon_sha256": "fce6f1d25cbc4b8ad38677310a7ac8d1026e18b68cbe7b897a55aaf9709998c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02283",
    "kind": "arxiv",
    "version": 1
  }
}