Pith Number

pith:3CWDOVYI

pith:2019:3CWDOVYIB54TNWTVSERUSJJMGY

not attested not anchored not stored refs pending

The limits of quantum superposition: Should "Schr\"{o}dinger's cat" and "Wigner's friend" be considered "miracle" narratives?

Antoine Suarez

arxiv:1906.10524 v1 · 2019-06-23 · quant-ph · physics.hist-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{3CWDOVYIB54TNWTVSERUSJJMGY}

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	2026-05-17T23:42:07.721970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ac3757080f7936da75912349252c3626f3b0a90e3526e5b6ca17a3791307c0

Aliases

arxiv: 1906.10524 · arxiv_version: 1906.10524v1 · doi: 10.48550/arxiv.1906.10524 · pith_short_12: 3CWDOVYIB54T · pith_short_16: 3CWDOVYIB54TNWTV · pith_short_8: 3CWDOVYI

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/3CWDOVYIB54TNWTVSERUSJJMGY \
  | 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: d8ac3757080f7936da75912349252c3626f3b0a90e3526e5b6ca17a3791307c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "443a7732a9f4860abeede6f5d5a887874a2c3ce180712bda259e3f3467ea4b0b",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-23T17:14:13Z",
    "title_canon_sha256": "cac3dedf5b2f5a04f462ec629a581905f3675cf7264c38e1c2283e1334d32cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10524",
    "kind": "arxiv",
    "version": 1
  }
}