Pith Number

pith:OSPIK5MW

pith:2009:OSPIK5MWTIJFFCV43VOPIYKKMC

not attested not anchored not stored refs pending

Surface code quantum communication

Austin G. Fowler, Charles D. Hill, David S. Wang, Lloyd C. L. Hollenberg, Rodney Van Meter, Thaddeus D. Ladd

arxiv:0910.4074 v3 · 2009-10-21 · 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{OSPIK5MWTIJFFCV43VOPIYKKMC}

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	2026-07-04T17:28:04.093352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749e8575969a12528abcdd5cf4614a60a5b52f6d94eb3fbe0f997308d8df0446

Aliases

arxiv: 0910.4074 · arxiv_version: 0910.4074v3 · doi: 10.48550/arxiv.0910.4074 · pith_short_12: OSPIK5MWTIJF · pith_short_16: OSPIK5MWTIJFFCV4 · pith_short_8: OSPIK5MW

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/OSPIK5MWTIJFFCV43VOPIYKKMC \
  | 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: 749e8575969a12528abcdd5cf4614a60a5b52f6d94eb3fbe0f997308d8df0446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad3a327edb99e7cc642a22ffbfc9be4147a632c07f3737fb694be3bc10d2ba2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-21T12:57:01Z",
    "title_canon_sha256": "67e99542cc12d84779c386e40e49f9a3a11dc084709074455e6c28852829de2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4074",
    "kind": "arxiv",
    "version": 3
  }
}