Pith Number

pith:JO4JRL6Q

pith:2020:JO4JRL6QQZHCFTK2LH2UNA6CP7

not attested not anchored not stored refs pending

Very low overhead fault-tolerant magic state preparation using redundant ancilla encoding and flag qubits

Christopher Chamberland, Kyungjoo Noh

arxiv:2003.03049 v1 · 2020-03-06 · 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{JO4JRL6QQZHCFTK2LH2UNA6CP7}

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

In-Situ Simultaneous Magic State Injection on Arbitrary CSS qLDPC Codes

Receipt and verification

First computed	2026-07-05T01:47:29.988186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb898afd0864e22cd5a59f54683c27ff99da2e1c05b14b3ab201763acc1debd

Aliases

arxiv: 2003.03049 · arxiv_version: 2003.03049v1 · doi: 10.48550/arxiv.2003.03049 · pith_short_12: JO4JRL6QQZHC · pith_short_16: JO4JRL6QQZHCFTK2 · pith_short_8: JO4JRL6Q

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/JO4JRL6QQZHCFTK2LH2UNA6CP7 \
  | 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: 4bb898afd0864e22cd5a59f54683c27ff99da2e1c05b14b3ab201763acc1debd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde65eb244021dc2f3626c0524e13544558563f0bd8a3a4482fbc9bd9aefdc87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-06T06:24:02Z",
    "title_canon_sha256": "d6f20612bbd43cbcdb9a0caa438df91d86a6a49f5ad29b198b1c9e3c278c5d62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.03049",
    "kind": "arxiv",
    "version": 1
  }
}