Pith Number

pith:SSP4XY4H

pith:2019:SSP4XY4HK4CL6XSNHLCS45VYIP

not attested not anchored not stored refs pending

One-shot entanglement distillation beyond local operations and classical communication

Bartosz Regula, Kun Fang, Mile Gu, Xin Wang

arxiv:1906.01648 v2 · 2019-06-04 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSP4XY4HK4CL6XSNHLCS45VYIP}

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	2026-07-05T00:11:34.426262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949fcbe3875704bf5e4d3ac52e76b843f18d4e2a51b37c16c9fe7407bf97add2

Aliases

arxiv: 1906.01648 · arxiv_version: 1906.01648v2 · doi: 10.48550/arxiv.1906.01648 · pith_short_12: SSP4XY4HK4CL · pith_short_16: SSP4XY4HK4CL6XSN · pith_short_8: SSP4XY4H

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/SSP4XY4HK4CL6XSNHLCS45VYIP \
  | 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: 949fcbe3875704bf5e4d3ac52e76b843f18d4e2a51b37c16c9fe7407bf97add2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ba847905b5a73df575e1541e8f4cfe0dc76e5b5cd1cb847b4ddae696f14792",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-04T18:00:06Z",
    "title_canon_sha256": "1ee9540b50c30162d92731e31e9b192b2481ca9c03495bd4bc8eda601a6413e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01648",
    "kind": "arxiv",
    "version": 2
  }
}