Pith Number

pith:RYQ7ETAD

pith:2019:RYQ7ETADLS2JYABY3C7EZV7K3V

not attested not anchored not stored refs pending

Finite-size criteria for spectral gaps in $D$-dimensional quantum spin systems

Marius Lemm

arxiv:1902.07141 v1 · 2019-02-19 · quant-ph · cond-mat.stat-mech · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYQ7ETADLS2JYABY3C7EZV7K3V}

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	2026-05-17T23:53:39.789813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e21f24c035cb49c0038d8be4cd7eadd4744f401e8ea2e89d0c56da653f6f4e1

Aliases

arxiv: 1902.07141 · arxiv_version: 1902.07141v1 · doi: 10.48550/arxiv.1902.07141 · pith_short_12: RYQ7ETADLS2J · pith_short_16: RYQ7ETADLS2JYABY · pith_short_8: RYQ7ETAD

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/RYQ7ETADLS2JYABY3C7EZV7K3V \
  | 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: 8e21f24c035cb49c0038d8be4cd7eadd4744f401e8ea2e89d0c56da653f6f4e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02992df208f549ec8fa602a325c5b0dfd83632b0fdca4387560352c7cdd19846",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-19T16:55:46Z",
    "title_canon_sha256": "75288dd2821c13c62b8e0fe4a072612083c58a08232e57409f1af133c639e9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07141",
    "kind": "arxiv",
    "version": 1
  }
}