Pith Number

pith:2JPET5DF

pith:2015:2JPET5DFCUBUPSUUGZM3C4W4C5

not attested not anchored not stored refs pending

Measuring entanglement entropy through the interference of quantum many-body twins

Alexander Lukin, Markus Greiner, Matthew Rispoli, M. Eric Tai, Philipp M. Preiss, Rajibul Islam, Ruichao Ma

arxiv:1509.01160 v1 · 2015-09-03 · cond-mat.quant-gas · physics.atom-ph · 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{2JPET5DFCUBUPSUUGZM3C4W4C5}

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

6 papers in Pith

Imaginary pseudo entropy encodes temporal orientation

Mapping twist fields to local operators via tensor networks

Entanglement Certification $-$ From Theory to Experiment

Symmetry-Resolved Entanglement Entropy from Heat Kernels

High-Precision Variational Quantum SVD via Classical Orthogonality Correction

Receipt and verification

First computed	2026-07-05T04:32:08.323080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25e49f465150347ca943659b172dc1774821fef93de0d70d72be7d0be0070f4

Aliases

arxiv: 1509.01160 · arxiv_version: 1509.01160v1 · doi: 10.48550/arxiv.1509.01160 · pith_short_12: 2JPET5DFCUBU · pith_short_16: 2JPET5DFCUBUPSUU · pith_short_8: 2JPET5DF

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/2JPET5DFCUBUPSUUGZM3C4W4C5 \
  | 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: d25e49f465150347ca943659b172dc1774821fef93de0d70d72be7d0be0070f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b5731d96621a395f73ec425617a8a1cc5a3e862902e1cf7932e6290202e8b8f",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2015-09-03T17:01:35Z",
    "title_canon_sha256": "3228aefbb9eb39a0769e49926424810185d5e1b8d279afe014b31a8167d89988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01160",
    "kind": "arxiv",
    "version": 1
  }
}