Pith Number

pith:GU2EXXLC

pith:2009:GU2EXXLCKLSSUQ5UDIBFK6EL6B

not attested not anchored not stored refs pending

Engineering complex topological memories from simple Abelian models

Benoit Doucot, James R. Wootton, Jiannis K. Pachos, Ville Lahtinen

arxiv:0908.0708 v3 · 2009-08-05 · 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{GU2EXXLCKLSSUQ5UDIBFK6EL6B}

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	2026-05-18T04:06:43.760100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35344bdd6252e52a43b41a0255788bf06869de5d260ff52687a6c3cc21ab800a

Aliases

arxiv: 0908.0708 · arxiv_version: 0908.0708v3 · doi: 10.48550/arxiv.0908.0708 · pith_short_12: GU2EXXLCKLSS · pith_short_16: GU2EXXLCKLSSUQ5U · pith_short_8: GU2EXXLC

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/GU2EXXLCKLSSUQ5UDIBFK6EL6B \
  | 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: 35344bdd6252e52a43b41a0255788bf06869de5d260ff52687a6c3cc21ab800a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef8bdfb429f2a089a5214fd80483e9b29de1c9b4d582ecc7e67d59b4d0ff0894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-05T17:25:11Z",
    "title_canon_sha256": "1ecd485edd703bb9105998d7c95b8dd8fefd62a35b20380faab02e2275f07c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0708",
    "kind": "arxiv",
    "version": 3
  }
}