Pith Number

pith:4ACMLWGK

pith:2018:4ACMLWGK2APVC3VKTGSRN4P4Y7

not attested not anchored not stored refs pending

Quantum Incompatibility Witnesses

Alessandro Toigo, Claudio Carmeli, Teiko Heinosaari

arxiv:1812.02985 v2 · 2018-12-07 · 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{4ACMLWGK2APVC3VKTGSRN4P4Y7}

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	2026-05-17T23:49:09.016756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e004c5d8cad01f516eaa99a516f1fcc7df8cca7c49416282b81b31782dcaf766

Aliases

arxiv: 1812.02985 · arxiv_version: 1812.02985v2 · doi: 10.48550/arxiv.1812.02985 · pith_short_12: 4ACMLWGK2APV · pith_short_16: 4ACMLWGK2APVC3VK · pith_short_8: 4ACMLWGK

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/4ACMLWGK2APVC3VKTGSRN4P4Y7 \
  | 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: e004c5d8cad01f516eaa99a516f1fcc7df8cca7c49416282b81b31782dcaf766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd88b5ceb4b9362b64efd1a297e8de1f047f01dae6917c80d6e7a37c2b9c8bd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-07T11:31:18Z",
    "title_canon_sha256": "22f71b4b7077be1863e4d260bd1a180d31e8fdda8234af1c80f567d2d72d1bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02985",
    "kind": "arxiv",
    "version": 2
  }
}