Pith Number

pith:RYD5IU53

pith:2026:RYD5IU534MRNIJ2A3LJKJKHRCP

not attested not anchored not stored refs pending

Indefinite Causal Order Reverses the Real-Complex Hierarchy

Jacopo Surace, Ravi Kunjwal, Shintaro Minagawa

arxiv:2605.30238 v1 · 2026-05-28 · 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{RYD5IU534MRNIJ2A3LJKJKHRCP}

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	2026-05-29T02:06:13.644916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e07d453bbe322d42740dad2a4a8f113e80e379da574ecbad694fdc6321b9adf

Aliases

arxiv: 2605.30238 · arxiv_version: 2605.30238v1 · doi: 10.48550/arxiv.2605.30238 · pith_short_12: RYD5IU534MRN · pith_short_16: RYD5IU534MRNIJ2A · pith_short_8: RYD5IU53

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/RYD5IU534MRNIJ2A3LJKJKHRCP \
  | 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: 8e07d453bbe322d42740dad2a4a8f113e80e379da574ecbad694fdc6321b9adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133e688a179e3b1d13c986b00d466e21edb9d3d9ffacd99d004bbfc857c8866d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-28T17:07:47Z",
    "title_canon_sha256": "ae4c0b56be2d22686303eb5186bf4f6702ed439a5dd71c13116bb1708d774876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30238",
    "kind": "arxiv",
    "version": 1
  }
}