Pith Number

pith:T55VTYDS

pith:2013:T55VTYDS4OMP6N4IOBYMUBOVFR

not attested not anchored not stored refs pending

Quantum circuit optimization by topological compaction in the surface code

Adam Paetznick, Austin G. Fowler

arxiv:1304.2807 v1 · 2013-04-09 · 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{T55VTYDS4OMP6N4IOBYMUBOVFR}

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	2026-05-18T03:28:28.177252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7b59e072e398ff37887070ca05d52c4dc5256c2436c930a06e9e1039e6292f

Aliases

arxiv: 1304.2807 · arxiv_version: 1304.2807v1 · doi: 10.48550/arxiv.1304.2807 · pith_short_12: T55VTYDS4OMP · pith_short_16: T55VTYDS4OMP6N4I · pith_short_8: T55VTYDS

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/T55VTYDS4OMP6N4IOBYMUBOVFR \
  | 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: 9f7b59e072e398ff37887070ca05d52c4dc5256c2436c930a06e9e1039e6292f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "836bed02013771fc589acc488b935b8c1a5b68c577698d991350b539b02ae2e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-09T22:30:55Z",
    "title_canon_sha256": "0de8c9aea8fc130fcbba7eacc3587d69b85a20ace40609c24931048f0e75ae71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2807",
    "kind": "arxiv",
    "version": 1
  }
}