Pith. sign in
Pith Number

pith:22KTL7S4

pith:2021:22KTL7S46VBKV4X4CGDPL2JENJ
not attested not anchored not stored refs pending

Quantum reference frames for an indefinite metric

Anne-Catherine de la Hamette, Esteban Castro-Ruiz, \v{C}aslav Brukner, Viktoria Kabel

arxiv:2112.11473 v2 · 2021-12-21 · quant-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{22KTL7S46VBKV4X4CGDPL2JENJ}

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

2 papers in Pith

Receipt and verification
First computed 2026-07-05T06:45:56.653857Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d69535fe5cf542aaf2fc1186f5e9246a4e1b5624bb44c00c519b81e8db100331

Aliases

arxiv: 2112.11473 · arxiv_version: 2112.11473v2 · doi: 10.48550/arxiv.2112.11473 · pith_short_12: 22KTL7S46VBK · pith_short_16: 22KTL7S46VBKV4X4 · pith_short_8: 22KTL7S4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/22KTL7S46VBKV4X4CGDPL2JENJ \
  | 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: d69535fe5cf542aaf2fc1186f5e9246a4e1b5624bb44c00c519b81e8db100331
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e95899358d7e313cdf86553251d250a7cb39fed8bfee94ef5a75a2edeff485fb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-12-21T19:00:04Z",
    "title_canon_sha256": "0dfe9fd618adb56395ae53c3a171a65ac51421ecb2baab4b8951cf385b1c6427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11473",
    "kind": "arxiv",
    "version": 2
  }
}