Pith Number

pith:UFGTKFOM

pith:2021:UFGTKFOMD7NDQYTM47LHPCSEGN

not attested not anchored not stored refs pending

Surface Code Design for Asymmetric Error Channels

Aleksandra Lipi\'nska, Debasmita Bhoumik, Rijul Sachdeva, Ritajit Majumdar, Shilpa Mahato, Utkarsh Azad

arxiv:2111.01486 v2 · 2021-11-02 · 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{UFGTKFOMD7NDQYTM47LHPCSEGN}

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	2026-07-05T04:28:53.204743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14d3515cc1fda38626ce7d6778a443369c0dfaaa4d01c1ff5fab383dc9a59c6

Aliases

arxiv: 2111.01486 · arxiv_version: 2111.01486v2 · doi: 10.48550/arxiv.2111.01486 · pith_short_12: UFGTKFOMD7ND · pith_short_16: UFGTKFOMD7NDQYTM · pith_short_8: UFGTKFOM

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/UFGTKFOMD7NDQYTM47LHPCSEGN \
  | 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: a14d3515cc1fda38626ce7d6778a443369c0dfaaa4d01c1ff5fab383dc9a59c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d826b3f1340f771655a3d340cd0fd6bcf6f9f1cc0a9a54a0c5050b9b924aed30",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-02T10:41:02Z",
    "title_canon_sha256": "fc88036126ac8e360d85bb8b34c055a914ca7a17abe3c581d5c7bfcfe8db7318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01486",
    "kind": "arxiv",
    "version": 2
  }
}