Pith Number

pith:PR4MZ2IU

pith:2020:PR4MZ2IUEY47PZMV7PFDFVM2TS

not attested not anchored not stored refs pending

Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory

Ana Belen Sainz, David Schmid, Elie Wolfe, Ravi Kunjwal, Robert W. Spekkens, Thomas C. Fraser

arxiv:2004.09194 v4 · 2020-04-20 · 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{PR4MZ2IUEY47PZMV7PFDFVM2TS}

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	2026-07-05T07:20:27.576274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c78cce9142639f7e595fbca32d59a9c8e4914ffaf1d5b5871e028fe05acd6fb

Aliases

arxiv: 2004.09194 · arxiv_version: 2004.09194v4 · doi: 10.48550/arxiv.2004.09194 · pith_short_12: PR4MZ2IUEY47 · pith_short_16: PR4MZ2IUEY47PZMV · pith_short_8: PR4MZ2IU

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/PR4MZ2IUEY47PZMV7PFDFVM2TS \
  | 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: 7c78cce9142639f7e595fbca32d59a9c8e4914ffaf1d5b5871e028fe05acd6fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6efde45856a9591d30fd72797bd97eed80e9a4b1799988730b079c3783426663",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-20T10:45:26Z",
    "title_canon_sha256": "c63fba94438f00e7b9cb63a0cd9f60e0a6fc38785d1d0359afc871f5d5ec3bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09194",
    "kind": "arxiv",
    "version": 4
  }
}