Pith. sign in
Pith Number

pith:3QEXTQWF

pith:2023:3QEXTQWFPFXUPAXRK7PAG34MF4
not attested not anchored not stored refs pending

Quantum Reference Frames at the Boundary of Spacetime

\v{C}aslav Brukner, Viktoria Kabel, Wolfgang Wieland

arxiv:2302.11629 v2 · 2023-02-22 · gr-qc · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3QEXTQWFPFXUPAXRK7PAG34MF4}

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.

Cited by

5 papers in Pith

Receipt and verification
First computed 2026-07-05T07:42:38.998099Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dc0979c2c5796f4782f157de036f8c2f0bb0713495d7c771ec6900305969d654

Aliases

arxiv: 2302.11629 · arxiv_version: 2302.11629v2 · doi: 10.48550/arxiv.2302.11629 · pith_short_12: 3QEXTQWFPFXU · pith_short_16: 3QEXTQWFPFXUPAXR · pith_short_8: 3QEXTQWF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3QEXTQWFPFXUPAXRK7PAG34MF4 \
  | 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: dc0979c2c5796f4782f157de036f8c2f0bb0713495d7c771ec6900305969d654
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f469b5540af4db8e1e02fb39c6b5267473fb8e53ac7783728de96b52d895190e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-02-22T20:10:03Z",
    "title_canon_sha256": "7f702663755901ffed0c5c053424e2acdae272f221ce784387d715f7a93f2c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.11629",
    "kind": "arxiv",
    "version": 2
  }
}