Pith Number

pith:VOD4JHL3

pith:2022:VOD4JHL3CWTFNKOGPNZQMIIYB6

not attested not anchored not stored refs pending

Device-independent certification of indefinite causal order in the quantum switch

Giulio Chiribella, Jonathan Barrett, Tein van der Lugt

arxiv:2208.00719 v2 · 2022-08-01 · 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{VOD4JHL3CWTFNKOGPNZQMIIYB6}

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.

Cited by

1 paper in Pith

How many systems can be dephased before the quantum switch becomes causally definite?

Receipt and verification

First computed	2026-07-05T06:18:59.544099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab87c49d7b15a656a9c67b730621180f84c0a28b9a7314f73e97f157ffe41886

Aliases

arxiv: 2208.00719 · arxiv_version: 2208.00719v2 · doi: 10.48550/arxiv.2208.00719 · pith_short_12: VOD4JHL3CWTF · pith_short_16: VOD4JHL3CWTFNKOG · pith_short_8: VOD4JHL3

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/VOD4JHL3CWTFNKOGPNZQMIIYB6 \
  | 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: ab87c49d7b15a656a9c67b730621180f84c0a28b9a7314f73e97f157ffe41886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43039187750954f5b9a43a774f81dc92d37ce849d7647f2d92d67c4c15227469",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-08-01T10:06:49Z",
    "title_canon_sha256": "e3cc93e71c593aa0ac8bb594ba3e77d63c94b9eef610c79bd41d740bf972fd6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.00719",
    "kind": "arxiv",
    "version": 2
  }
}