Pith Number

pith:MV2BPWLX

pith:2017:MV2BPWLXRDTCUT5Z7ZDVZKGOBF

not attested not anchored not stored refs pending

Entanglement negativity and sudden death in the toric code at finite temperature

Claudio Castelnovo, Oliver Hart

arxiv:1710.11139 v2 · 2017-10-30 · cond-mat.str-el · 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{MV2BPWLXRDTCUT5Z7ZDVZKGOBF}

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	2026-05-18T00:17:42.544228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

657417d97788e62a4fb9fe475ca8ce0979f6d6ca91d8367f81e072be3aaa5eb9

Aliases

arxiv: 1710.11139 · arxiv_version: 1710.11139v2 · doi: 10.48550/arxiv.1710.11139 · pith_short_12: MV2BPWLXRDTC · pith_short_16: MV2BPWLXRDTCUT5Z · pith_short_8: MV2BPWLX

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/MV2BPWLXRDTCUT5Z7ZDVZKGOBF \
  | 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: 657417d97788e62a4fb9fe475ca8ce0979f6d6ca91d8367f81e072be3aaa5eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5147f8996c11342374670928992e93af764646d6246988518004d77bb75d7726",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-10-30T18:00:05Z",
    "title_canon_sha256": "bb5454d7ef48f644c89f673f37b972ccb99863bc16381a5f631ac1bac4c3c2e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11139",
    "kind": "arxiv",
    "version": 2
  }
}