Pith Number

pith:6G6L5OJN

pith:2017:6G6L5OJN4OGVT7DDXOLZKZEHEJ

not attested not anchored not stored refs pending

Remote Parameter Estimation in a Quantum Spin Chain Enhanced by Local Control

Daniel Burgarth, Jukka Kiukas, Kazuya Yuasa

arxiv:1701.07399 v1 · 2017-01-25 · 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{6G6L5OJN4OGVT7DDXOLZKZEHEJ}

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	2026-05-18T00:43:08.791034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1bcbeb92de38d59fc63bb97956487225a47224052644d577a33bbe5a4c4dae8

Aliases

arxiv: 1701.07399 · arxiv_version: 1701.07399v1 · doi: 10.48550/arxiv.1701.07399 · pith_short_12: 6G6L5OJN4OGV · pith_short_16: 6G6L5OJN4OGVT7DD · pith_short_8: 6G6L5OJN

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/6G6L5OJN4OGVT7DDXOLZKZEHEJ \
  | 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: f1bcbeb92de38d59fc63bb97956487225a47224052644d577a33bbe5a4c4dae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb56095c2913d97a6d349a2da36a79be995194ba04f57d1577cf1b734bac1f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-25T17:43:23Z",
    "title_canon_sha256": "8b4e7baae238c9ecb8586873b1b58acc1528130f99a455a1cc905516c8efea28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07399",
    "kind": "arxiv",
    "version": 1
  }
}