Pith Number

pith:CXMFS4BQ

pith:2026:CXMFS4BQ6K2MLS73S5XGSHQ7FZ

not attested not anchored not stored refs pending

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

Cyril Branciard, Kuntal Sengupta, Yassine Benhaj

arxiv:2605.22807 v1 · 2026-05-21 · 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{CXMFS4BQ6K2MLS73S5XGSHQ7FZ}

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	2026-05-22T02:04:55.687951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15d8597030f2b4c5cbfb976e691e1f2e682e134f6f4fb66b6d461ae41f63de81

Aliases

arxiv: 2605.22807 · arxiv_version: 2605.22807v1 · doi: 10.48550/arxiv.2605.22807 · pith_short_12: CXMFS4BQ6K2M · pith_short_16: CXMFS4BQ6K2MLS73 · pith_short_8: CXMFS4BQ

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/CXMFS4BQ6K2MLS73S5XGSHQ7FZ \
  | 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: 15d8597030f2b4c5cbfb976e691e1f2e682e134f6f4fb66b6d461ae41f63de81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59eb58c14cd75465a4dff8667ea4722e765b22f057f29db9f9928e6c74ff3a1f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-21T17:56:44Z",
    "title_canon_sha256": "8f7c13492f3ee7a8fe9ab7e11fa34f4abe3a71b36b8b8e64c2f966a4680fb314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22807",
    "kind": "arxiv",
    "version": 1
  }
}