Pith Number

pith:ZAFH4ZRO

pith:2009:ZAFH4ZROILDLMAEF4MUBQFUH5F

not attested not anchored not stored refs pending

Fast Decoders for Topological Quantum Codes

David Poulin, Guillaume Duclos-Cianci

arxiv:0911.0581 v2 · 2009-11-03 · quant-ph · cond-mat.str-el · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAFH4ZROILDLMAEF4MUBQFUH5F}

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	2026-05-18T02:11:00.184558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80a7e662e42c6b60085e328181687e96f3f22fe1755fd4b5914ee2495450b17

Aliases

arxiv: 0911.0581 · arxiv_version: 0911.0581v2 · doi: 10.48550/arxiv.0911.0581 · pith_short_12: ZAFH4ZROILDL · pith_short_16: ZAFH4ZROILDLMAEF · pith_short_8: ZAFH4ZRO

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/ZAFH4ZROILDLMAEF4MUBQFUH5F \
  | 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: c80a7e662e42c6b60085e328181687e96f3f22fe1755fd4b5914ee2495450b17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30eff3da28714881afcd6c298c85d56d030c997765f92259e5d2a67599241b8",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-03T20:57:11Z",
    "title_canon_sha256": "62779c21e728caec468436bab9bd92f460319b595cddc45ee18eb004fc2e8ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0581",
    "kind": "arxiv",
    "version": 2
  }
}