Pith Number

pith:K565GQPS

pith:2008:K565GQPS5NCR2AMKHNZ2UVZGJQ

not attested not anchored not stored refs pending

Toric-boson model: Toward a topological quantum memory at finite temperature

Alioscia Hamma, Claudio Castelnovo, Claudio Chamon

arxiv:0812.4622 v3 · 2008-12-30 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K565GQPS5NCR2AMKHNZ2UVZGJQ}

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	2026-05-18T02:15:03.843033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577dd341f2eb451d018a3b73aa57264c3dedce6999513f2a0a2de05937099076

Aliases

arxiv: 0812.4622 · arxiv_version: 0812.4622v3 · doi: 10.48550/arxiv.0812.4622 · pith_short_12: K565GQPS5NCR · pith_short_16: K565GQPS5NCR2AMK · pith_short_8: K565GQPS

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/K565GQPS5NCR2AMKHNZ2UVZGJQ \
  | 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: 577dd341f2eb451d018a3b73aa57264c3dedce6999513f2a0a2de05937099076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd2f072273c97882b14ce8d0fb7e55b8ce0241b13791d76c511242f7526472d6",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-30T13:28:02Z",
    "title_canon_sha256": "159b866e493d182856321468faf774f6994274ca156893e3352dc1e950179f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4622",
    "kind": "arxiv",
    "version": 3
  }
}