Pith Number

pith:XD2EVU7B

pith:2016:XD2EVU7BZ2H7L7CEFDXBTKNKLQ

not attested not anchored not stored refs pending

Entanglement verification with detection-efficiency mismatch

Norbert Lutkenhaus, Yanbao Zhang

arxiv:1609.03911 v2 · 2016-09-13 · 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{XD2EVU7BZ2H7L7CEFDXBTKNKLQ}

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	2026-05-18T00:45:25.992188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f44ad3e1ce8ff5fc4428ee19a9aa5c052746adec7689a9b44c44a851a23cfa

Aliases

arxiv: 1609.03911 · arxiv_version: 1609.03911v2 · doi: 10.48550/arxiv.1609.03911 · pith_short_12: XD2EVU7BZ2H7 · pith_short_16: XD2EVU7BZ2H7L7CE · pith_short_8: XD2EVU7B

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/XD2EVU7BZ2H7L7CEFDXBTKNKLQ \
  | 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: b8f44ad3e1ce8ff5fc4428ee19a9aa5c052746adec7689a9b44c44a851a23cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e8edfa6d1007c61e146afb99c2b429a9823e4abc7bfe8e111a164a059225920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-13T16:18:44Z",
    "title_canon_sha256": "acb061ac40ccd59306afa686a05089f74f36d21418e964a69d5ed76329d85aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03911",
    "kind": "arxiv",
    "version": 2
  }
}