Pith Number

pith:V5L7SWDA

pith:2017:V5L7SWDA5X2JZ7URDLSTSCLC7S

not attested not anchored not stored refs pending

Quantum predictions for an unmeasured system cannot be simulated with a finite-memory classical system

Ad\'an Cabello, Armin Tavakoli

arxiv:1705.07456 v4 · 2017-05-21 · 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{V5L7SWDA5X2JZ7URDLSTSCLC7S}

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	2026-05-18T00:19:49.171999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af57f95860edf49cfe911ae5390962fcb84d8c9e5fa9604cf6a0da39d83c67e5

Aliases

arxiv: 1705.07456 · arxiv_version: 1705.07456v4 · doi: 10.48550/arxiv.1705.07456 · pith_short_12: V5L7SWDA5X2J · pith_short_16: V5L7SWDA5X2JZ7UR · pith_short_8: V5L7SWDA

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/V5L7SWDA5X2JZ7URDLSTSCLC7S \
  | 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: af57f95860edf49cfe911ae5390962fcb84d8c9e5fa9604cf6a0da39d83c67e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aac5f2c36befe670cd4ef2f042d3ce7b8a71b3d26372113237906a8d9ea5aa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-21T14:35:22Z",
    "title_canon_sha256": "c891bc4c25af36c3c22ef6f47c0fc2f561aa43461512e0d2568a8e45c5e2d5cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07456",
    "kind": "arxiv",
    "version": 4
  }
}