Pith Number

pith:GD27WJYL

pith:2018:GD27WJYL2XTQ63I5XCNLO7C77V

not attested not anchored not stored refs pending

Schmidt gap in random spin chains

Gabriele De Chiara, Giacomo Torlai, Kenneth D. McAlpine

arxiv:1805.07404 v2 · 2018-05-18 · cond-mat.quant-gas · 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{GD27WJYL2XTQ63I5XCNLO7C77V}

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	2026-05-18T00:06:39.766805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f5fb270bd5e70f6d1db89ab77c5ffd5a9991e4d59425fcb7408a32fb30f5f1

Aliases

arxiv: 1805.07404 · arxiv_version: 1805.07404v2 · doi: 10.48550/arxiv.1805.07404 · pith_short_12: GD27WJYL2XTQ · pith_short_16: GD27WJYL2XTQ63I5 · pith_short_8: GD27WJYL

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/GD27WJYL2XTQ63I5XCNLO7C77V \
  | 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: 30f5fb270bd5e70f6d1db89ab77c5ffd5a9991e4d59425fcb7408a32fb30f5f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0566b2d74f4f90d7aa155f1920d625d032c25745c3de8e14463c978b5506485",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-05-18T19:18:04Z",
    "title_canon_sha256": "5a48a4395698c711c5f67d9caf4c43ade8e6c8d0eec67ef2524b82d4bd0450dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07404",
    "kind": "arxiv",
    "version": 2
  }
}