pith. sign in
Pith Number

pith:KOMGRCMR

pith:2026:KOMGRCMRFUNJSLYLMHRRG4FCEU
not attested not anchored not stored refs pending

Causal Order Cannot Be An Observable

Declan Maguire, Fabio Costa

arxiv:2605.25302 v1 · 2026-05-24 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KOMGRCMRFUNJSLYLMHRRG4FCEU}

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 2026-05-26T02:04:28.036595Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

53986889912d1a992f0b61e31370a2252128ab564a710f5cd61a2a9502de8c4c

Aliases

arxiv: 2605.25302 · arxiv_version: 2605.25302v1 · doi: 10.48550/arxiv.2605.25302 · pith_short_12: KOMGRCMRFUNJ · pith_short_16: KOMGRCMRFUNJSLYL · pith_short_8: KOMGRCMR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KOMGRCMRFUNJSLYLMHRRG4FCEU \
  | 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: 53986889912d1a992f0b61e31370a2252128ab564a710f5cd61a2a9502de8c4c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b43a8cf50f6317e54a2509388eb2e250db3f8262fdb32e2e54cc1241247efa52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-24T23:41:56Z",
    "title_canon_sha256": "dce6aa2bba0c12560e8b0c22ce48093899ea6c9ed8c6241adfbaa4e6f148dc4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25302",
    "kind": "arxiv",
    "version": 1
  }
}