Pith Number

pith:66SMQKPF

pith:2015:66SMQKPF4IZMT7SZK2XD5Q2S3X

not attested not anchored not stored refs pending

Experimental test of entropic noise-disturbance uncertainty relations for spin-1/2 measurements

Buelent Demirel, Francesco Buscemi, Georg Sulyok, Masanao Ozawa, Michael J. W. Hall, Stephan Sponar, Yuji Hasegawa

arxiv:1504.04200 v3 · 2015-04-16 · 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{66SMQKPF4IZMT7SZK2XD5Q2S3X}

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	2026-05-18T01:36:33.532852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a4c829e5e232c9fe5956ae3ec352dddc33be91ce423fba0af788225fe7b6b4

Aliases

arxiv: 1504.04200 · arxiv_version: 1504.04200v3 · doi: 10.48550/arxiv.1504.04200 · pith_short_12: 66SMQKPF4IZM · pith_short_16: 66SMQKPF4IZMT7SZ · pith_short_8: 66SMQKPF

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/66SMQKPF4IZMT7SZK2XD5Q2S3X \
  | 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: f7a4c829e5e232c9fe5956ae3ec352dddc33be91ce423fba0af788225fe7b6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7359b79f43fca8fcd546eed5a8db62fbcb480e1282b1a896d949d8f496166b58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-16T12:09:12Z",
    "title_canon_sha256": "f818ad39c0e540cb020e78c57d21b78d2929d94e83dced0164c8976a8deb4ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04200",
    "kind": "arxiv",
    "version": 3
  }
}