Pith Number

pith:6MAANXCB

pith:2018:6MAANXCBMV6YGGOY5LN6CK6SWL

not attested not anchored not stored refs pending

Indefinite Causal Order in a Quantum Switch

A. G. White, C. Branciard, C. Giarmatzi, F. Costa, J. Romero, K. Goswami, M. Kewming

arxiv:1803.04302 v2 · 2018-03-12 · 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{6MAANXCBMV6YGGOY5LN6CK6SWL}

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	2026-05-18T00:01:43.593059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f30006dc41657d8319d8eadbe12bd2b2f4fb12f5eb86b06b8979e3cb2da907d4

Aliases

arxiv: 1803.04302 · arxiv_version: 1803.04302v2 · doi: 10.48550/arxiv.1803.04302 · pith_short_12: 6MAANXCBMV6Y · pith_short_16: 6MAANXCBMV6YGGOY · pith_short_8: 6MAANXCB

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/6MAANXCBMV6YGGOY5LN6CK6SWL \
  | 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: f30006dc41657d8319d8eadbe12bd2b2f4fb12f5eb86b06b8979e3cb2da907d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4200757c7a3200f17ead804c448a95ffd98c568efe6028c8caef35a2bac5a6bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-12T15:12:59Z",
    "title_canon_sha256": "985b1b908eaee007824bc4517cdd0bcdcb4e5d9716f986f020dd1e960f85797a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04302",
    "kind": "arxiv",
    "version": 2
  }
}