Pith Number

pith:LT4YPZHA

pith:2012:LT4YPZHAXP4QP5IWDX2PJ5FXUN

not attested not anchored not stored refs pending

Classical simulation of entanglement swapping with bounded communication

Cyril Branciard, Denis Rosset, Harry Buhrman, Mario Szegedy, Nicolas Brunner, Nicolas Gisin, Richard Cleve, Samuel Portmann

arxiv:1203.0445 v1 · 2012-03-02 · 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{LT4YPZHAXP4QP5IWDX2PJ5FXUN}

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	2026-05-18T03:46:06.952983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf987e4e0bbf907f5161df4f4f4b7a359be1318d353b542adf5b4be2a659fd9

Aliases

arxiv: 1203.0445 · arxiv_version: 1203.0445v1 · doi: 10.48550/arxiv.1203.0445 · pith_short_12: LT4YPZHAXP4Q · pith_short_16: LT4YPZHAXP4QP5IW · pith_short_8: LT4YPZHA

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/LT4YPZHAXP4QP5IWDX2PJ5FXUN \
  | 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: 5cf987e4e0bbf907f5161df4f4f4b7a359be1318d353b542adf5b4be2a659fd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e54119b18040a538bfb59a4da81817b63d9292dcc8ee1655f69129f1604e78fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-02T12:46:59Z",
    "title_canon_sha256": "9483597c7127e146e5d85d432b566d98559ba9d78929bafffa6908a6d0e8e139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0445",
    "kind": "arxiv",
    "version": 1
  }
}