Pith Number

pith:LGTZRLLB

pith:2011:LGTZRLLBHINKBJLL6R4BGOWUPF

not attested not anchored not stored refs pending

Experimental undecidability of macroscopic quantumness

Akihito Soeda, Andrzej Grudka, Dagomir Kaszlikowski, Jayne Thompson, Pawel Kurzynski, Ravishankar Ramanathan

arxiv:1111.2696 v2 · 2011-11-11 · 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{LGTZRLLBHINKBJLL6R4BGOWUPF}

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	2026-05-18T03:10:00.536573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a798ad613a1aa0a56bf478133ad4797bd281cb48a8304079904aa5886db69d

Aliases

arxiv: 1111.2696 · arxiv_version: 1111.2696v2 · doi: 10.48550/arxiv.1111.2696 · pith_short_12: LGTZRLLBHINK · pith_short_16: LGTZRLLBHINKBJLL · pith_short_8: LGTZRLLB

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/LGTZRLLBHINKBJLL6R4BGOWUPF \
  | 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: 59a798ad613a1aa0a56bf478133ad4797bd281cb48a8304079904aa5886db69d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46db2e1a7f934ec25563efdbf91e29086076533609eb7b2535ddf9d17f4ea19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-11T10:06:39Z",
    "title_canon_sha256": "148943d31afb0c952e8463f6847fa850087680b62bc412c83d3b588444970d03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2696",
    "kind": "arxiv",
    "version": 2
  }
}