Pith Number

pith:NJFACJZX

pith:2012:NJFACJZXJBDCG7QDQW4ENJGJFH

not attested not anchored not stored refs pending

Fault-Tolerance of "Bad" Quantum Low-Density Parity Check Codes

Alexey A. Kovalev, Leonid P. Pryadko

arxiv:1208.2317 v2 · 2012-08-11 · 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{NJFACJZXJBDCG7QDQW4ENJGJFH}

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

1 paper in Pith

Proof of a finite threshold for the union-find decoder

Receipt and verification

First computed	2026-05-18T03:32:05.455696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a4a0127374846237e0385b846a4c929f0738f038c25f6ee98af6f3ae64926f2

Aliases

arxiv: 1208.2317 · arxiv_version: 1208.2317v2 · doi: 10.48550/arxiv.1208.2317 · pith_short_12: NJFACJZXJBDC · pith_short_16: NJFACJZXJBDCG7QD · pith_short_8: NJFACJZX

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/NJFACJZXJBDCG7QDQW4ENJGJFH \
  | 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: 6a4a0127374846237e0385b846a4c929f0738f038c25f6ee98af6f3ae64926f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8dca535a22541fb1c760f7e3c37db03f9e523c2e686922d6221638dbe25f9a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-11T07:24:25Z",
    "title_canon_sha256": "307b6342956d7f0c085db633c881a211fa881a41d0f781dc9fe1ac51442d66c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2317",
    "kind": "arxiv",
    "version": 2
  }
}