Pith Number

pith:F5543QOK

pith:2020:F5543QOK3DK34MQ6V742P6RB5X

not attested not anchored not stored refs pending

A Four-Qubits Code that is a Quantum Deletion Error-Correcting Code with the Optimal Length

Ayumu Nakayama, Manabu Hagiwara

arxiv:2001.08405 v1 · 2020-01-23 · 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{F5543QOK3DK34MQ6V742P6RB5X}

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

Quantum Anonymous Secret Sharing with Permutation Invariant Codes

Receipt and verification

First computed	2026-07-05T00:35:12.827184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7bcdc1cad8d5be321eaff9a7fa21edd06f16465afd0f676c6cfa20cf62d445

Aliases

arxiv: 2001.08405 · arxiv_version: 2001.08405v1 · doi: 10.48550/arxiv.2001.08405 · pith_short_12: F5543QOK3DK3 · pith_short_16: F5543QOK3DK34MQ6 · pith_short_8: F5543QOK

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/F5543QOK3DK34MQ6V742P6RB5X \
  | 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: 2f7bcdc1cad8d5be321eaff9a7fa21edd06f16465afd0f676c6cfa20cf62d445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1746e0529861df1cf74773c0afc431c7faadb9658ed314a3a3c05217ddd7d7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-01-23T08:28:38Z",
    "title_canon_sha256": "c85d64896229e55c5a0aedaeace0800d76af729b6c072b192de768b6ef74215a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08405",
    "kind": "arxiv",
    "version": 1
  }
}