Pith Number

pith:FQX6AFMU

pith:2022:FQX6AFMU7RHG2T7C5ZVD2IG6XQ

not attested not anchored not stored refs pending

Good quantum LDPC codes with linear time decoder from lossless expanders

Min-Hsiu Hsieh, Ting-Chun Lin

arxiv:2203.03581 v1 · 2022-03-07 · 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{FQX6AFMU7RHG2T7C5ZVD2IG6XQ}

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.

Cited by

2 papers in Pith

Blueprint for a fault-tolerant compound photon-atom quantum architecture

Accelerating Fault-Tolerant Quantum Computation with Good qLDPC Codes

Receipt and verification

First computed	2026-07-05T04:02:35.977236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2fe01594fc4e6d4fe2ee6a3d20debc295e7dab091e3e1ad07502319bbe00ab

Aliases

arxiv: 2203.03581 · arxiv_version: 2203.03581v1 · doi: 10.48550/arxiv.2203.03581 · pith_short_12: FQX6AFMU7RHG · pith_short_16: FQX6AFMU7RHG2T7C · pith_short_8: FQX6AFMU

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/FQX6AFMU7RHG2T7C5ZVD2IG6XQ \
  | 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: 2c2fe01594fc4e6d4fe2ee6a3d20debc295e7dab091e3e1ad07502319bbe00ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc603ace7b371ff9982a90f1334d822f1a2efc8a933141d50eb23342d54c1a1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-07T18:30:45Z",
    "title_canon_sha256": "92096b9483ff4d95223f3170dd6c4cc8fe57befa25e2ac20eb7414243406167e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03581",
    "kind": "arxiv",
    "version": 1
  }
}