Pith Number

pith:O7UQ3EQI

pith:2023:O7UQ3EQIND653MC7HNI6KSOLCI

not attested not anchored not stored refs pending

Spin squeezing in open Heisenberg spin chains

Domantas Burba, Emilia Witkowska, Gediminas Juzeli\=unas, Giedrius \v{Z}labys, Marcin P{\l}odzie\'n, Ma\v{z}ena Mackoit Sinkevi\v{c}ien\.e, Tanaus\'u Hern\'andez Yanes

arxiv:2302.09829 v2 · 2023-02-20 · 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{O7UQ3EQIND653MC7HNI6KSOLCI}

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	2026-07-05T06:57:52.354709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e90d920868fdddb05f3b51e549cb1202ac67631957fed4a94a6f72efe507a7

Aliases

arxiv: 2302.09829 · arxiv_version: 2302.09829v2 · doi: 10.48550/arxiv.2302.09829 · pith_short_12: O7UQ3EQIND65 · pith_short_16: O7UQ3EQIND653MC7 · pith_short_8: O7UQ3EQI

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/O7UQ3EQIND653MC7HNI6KSOLCI \
  | 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: 77e90d920868fdddb05f3b51e549cb1202ac67631957fed4a94a6f72efe507a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba16a4d72428f3c47976911917f43f2bc900f5de183097c7a4235bf8fb635684",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-02-20T08:32:53Z",
    "title_canon_sha256": "6c6815a5a654f8dc0cee14782ed4fd8f57b64af7644c59e15a0cd391daf125cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09829",
    "kind": "arxiv",
    "version": 2
  }
}