Pith Number

pith:PWKXRO57

pith:2019:PWKXRO57PQSSHJZ4VYIYWA2GPM

not attested not anchored not stored refs pending

The Limits of Quantum State Transfer for Field-Free Heisenberg Chains

Alastair Kay

arxiv:1906.06223 v3 · 2019-06-14 · 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{PWKXRO57PQSSHJZ4VYIYWA2GPM}

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

Anisotropic Heisenberg Su-Schrieffer-Heeger spin chain as a quantum channel

Receipt and verification

First computed	2026-07-05T04:40:21.744313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9578bbbf7c2523a73cae118b03467b0c71046828b3e9fdff33d972b32942b3

Aliases

arxiv: 1906.06223 · arxiv_version: 1906.06223v3 · doi: 10.48550/arxiv.1906.06223 · pith_short_12: PWKXRO57PQSS · pith_short_16: PWKXRO57PQSSHJZ4 · pith_short_8: PWKXRO57

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/PWKXRO57PQSSHJZ4VYIYWA2GPM \
  | 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: 7d9578bbbf7c2523a73cae118b03467b0c71046828b3e9fdff33d972b32942b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db4711aebc90dc45bdfaa91ad3d71774bc771317daa7d8b765999e60a21d474",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-14T14:29:53Z",
    "title_canon_sha256": "d0ee63ae8c71eea7e696705db1c1dd70b1129efdc7b63c835bc82077c9a3219c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06223",
    "kind": "arxiv",
    "version": 3
  }
}