Pith Number

pith:PTR5PQQG

pith:2018:PTR5PQQGOZNBQFL3HSKAIOHUXN

not attested not anchored not stored refs pending

Sharp entanglement thresholds in the logarithmic negativity of disjoint blocks in the transverse-field Ising chain

Daniele Trapin, Jens H. Bardarson, Markus Heyl, Soumya Bera, Younes Javanmard

arxiv:1805.06935 v2 · 2018-05-17 · cond-mat.str-el · cond-mat.other · 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{PTR5PQQGOZNBQFL3HSKAIOHUXN}

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	2026-05-18T00:07:17.560139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce3d7c206765a18157b3c940438f4bb6077e0eb42a04b0123c8671487d3b6d6

Aliases

arxiv: 1805.06935 · arxiv_version: 1805.06935v2 · doi: 10.48550/arxiv.1805.06935 · pith_short_12: PTR5PQQGOZNB · pith_short_16: PTR5PQQGOZNBQFL3 · pith_short_8: PTR5PQQG

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/PTR5PQQGOZNBQFL3HSKAIOHUXN \
  | 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: 7ce3d7c206765a18157b3c940438f4bb6077e0eb42a04b0123c8671487d3b6d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e34cce34d685aaa22b3c4d5a036b77e004a03b194a4da5ea5ccd0d108dd48e",
    "cross_cats_sorted": [
      "cond-mat.other",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-05-17T19:13:06Z",
    "title_canon_sha256": "84134e9aa334db92918701e26831af5be1d8eacaea108c58319c9ff6904d488e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06935",
    "kind": "arxiv",
    "version": 2
  }
}