Pith Number

pith:FQS57K3J

pith:2026:FQS57K3J2DBUXCZV7NY5BLXJGB

not attested not anchored not stored refs pending

Fixed Point Exploration For CV-QKD IR QC-MET-LDPC Toward Hardware Implementation

Francisco Marcos de Assis, Francisco Revson Fernandes Pereira, Guilherme Vergne de Oliveira, Mauro Queiroz Nooblath Neto, Micael Andrade Dias, Nelson Alves Ferreira, Val\'eria Loureiro da Silva

arxiv:2607.17960 v1 · 2026-07-20 · cs.AR · cs.IT · math.IT · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQS57K3J2DBUXCZV7NY5BLXJGB}

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	2026-07-21T02:22:08.607340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c25dfab69d0c34b8b35fb71d0aee9305541026b9147d3ab005dc8b4cc56c569

Aliases

arxiv: 2607.17960 · arxiv_version: 2607.17960v1 · doi: 10.48550/arxiv.2607.17960 · pith_short_12: FQS57K3J2DBU · pith_short_16: FQS57K3J2DBUXCZV · pith_short_8: FQS57K3J

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/FQS57K3J2DBUXCZV7NY5BLXJGB \
  | 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: 2c25dfab69d0c34b8b35fb71d0aee9305541026b9147d3ab005dc8b4cc56c569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cfe1c125004621da24702db5b5aadc2dfbecf676902cef646b1520017b2d9fa",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2026-07-20T14:01:46Z",
    "title_canon_sha256": "4a52415bf71b2ae9896d4f2b879e9d0299e1500eefa2d7c8d074b8eb25af9201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17960",
    "kind": "arxiv",
    "version": 1
  }
}