Pith Number

pith:EGK7WUWC

pith:2020:EGK7WUWCLS66RWX4CZX6YOEVPY

not attested not anchored not stored refs pending

The quantum Ising chain for beginners

Angelo Russomanno, Giuseppe E. Santoro, Glen Bigan Mbeng

arxiv:2009.09208 v2 · 2020-09-19 · quant-ph · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGK7WUWCLS66RWX4CZX6YOEVPY}

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.

Cited by

1 paper in Pith

Powering a quantum clock with a non-equilibrium steady state

Receipt and verification

First computed	2026-07-05T08:33:59.017930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2195fb52c25cbde8dafc166fec38957e1067ebef127a14a5a9749b45733f3bd3

Aliases

arxiv: 2009.09208 · arxiv_version: 2009.09208v2 · doi: 10.48550/arxiv.2009.09208 · pith_short_12: EGK7WUWCLS66 · pith_short_16: EGK7WUWCLS66RWX4 · pith_short_8: EGK7WUWC

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/EGK7WUWCLS66RWX4CZX6YOEVPY \
  | 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: 2195fb52c25cbde8dafc166fec38957e1067ebef127a14a5a9749b45733f3bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0197f1aee1132c1f09351e0550c702c9e55bf2d7778e58320815158465908724",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-19T11:01:49Z",
    "title_canon_sha256": "5d99108741b628f7f35058f5ce8d1d30009e20ba6599325f20617902ef0608bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09208",
    "kind": "arxiv",
    "version": 2
  }
}