Pith Number

pith:X4W727MR

pith:2020:X4W727MRFSO7KDDSPJFDB73BFG

not attested not anchored not stored refs pending

Entanglement Hamiltonian Tomography in Quantum Simulation

Andreas Elben, Beno\^it Vermersch, Christian Kokail, Peter Zoller, Rick van Bijnen

arxiv:2009.09000 v2 · 2020-09-18 · 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{X4W727MRFSO7KDDSPJFDB73BFG}

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

2 papers in Pith

Conditional Independence of 1D Gibbs States with Applications to Efficient Learning

High-Precision Variational Quantum SVD via Classical Orthogonality Correction

Receipt and verification

First computed	2026-07-05T03:09:27.341505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2dfd7d912c9df50c727a4a30ff61298d1e0a764068c30f267db4f7d93f6a56

Aliases

arxiv: 2009.09000 · arxiv_version: 2009.09000v2 · doi: 10.48550/arxiv.2009.09000 · pith_short_12: X4W727MRFSO7 · pith_short_16: X4W727MRFSO7KDDS · pith_short_8: X4W727MR

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/X4W727MRFSO7KDDSPJFDB73BFG \
  | 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: bf2dfd7d912c9df50c727a4a30ff61298d1e0a764068c30f267db4f7d93f6a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e98dcde1eeb9bf716b26e60a8a422924064c4e62adf8e07d02e35b695cb59b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-18T18:12:22Z",
    "title_canon_sha256": "9bf74858404155edce128dc873b6aba8b18affd08b6b2c9afa5ee79a9329cdc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09000",
    "kind": "arxiv",
    "version": 2
  }
}