pith. sign in
Pith Number

pith:DFLHW34J

pith:2026:DFLHW34JWLYGU7R5CFRBGNWX7O
not attested not anchored not stored refs pending

Indefinite Quantum Causality

Cyril Branciard, Fabio Costa, Giulia Rubino, Marco T\'ulio Quintino, \v{C}aslav Brukner

arxiv:2606.19438 v1 · 2026-06-17 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DFLHW34JWLYGU7R5CFRBGNWX7O}

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 2026-06-19T16:12:25.668330Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

19567b6f89b2f06a7e3d11621336d7fb9f8e1b500c15fa625620c797c1744337

Aliases

arxiv: 2606.19438 · arxiv_version: 2606.19438v1 · doi: 10.48550/arxiv.2606.19438 · pith_short_12: DFLHW34JWLYG · pith_short_16: DFLHW34JWLYGU7R5 · pith_short_8: DFLHW34J
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DFLHW34JWLYGU7R5CFRBGNWX7O \
  | 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: 19567b6f89b2f06a7e3d11621336d7fb9f8e1b500c15fa625620c797c1744337
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b8bb2069355eb8ade9843e2e54e8f90662ca3436baa882e3af9cd57ea909b006",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-17T18:00:02Z",
    "title_canon_sha256": "92ae3bec33503d82fab20992cb9b90296b4b7896ca1d0310e20da70c9f3c3376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19438",
    "kind": "arxiv",
    "version": 1
  }
}