Pith. sign in
Pith Number

pith:QE4FP2G2

pith:2022:QE4FP2G2FGXYWZCADWIW74EPNS
not attested not anchored not stored refs pending

Quantum two-way time transfer over a hybrid free-space and fiber link

Bingke Shi, Huibo Hong, Jianjun Jia, Jia Qiang, Jincai Wu, Ruifang Dong, Runai Quan, Shougang Zhang, Tao Liu, Xiao Xiang, Yuting Liu, Zhiguang Xia

arxiv:2212.01741 v1 · 2022-12-04 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QE4FP2G2FGXYWZCADWIW74EPNS}

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 2026-07-05T05:22:16.182719Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

813857e8da29af8b64401d916ff08f6cbe3089de07f8a97eacc176a7731084e1

Aliases

arxiv: 2212.01741 · arxiv_version: 2212.01741v1 · doi: 10.48550/arxiv.2212.01741 · pith_short_12: QE4FP2G2FGXY · pith_short_16: QE4FP2G2FGXYWZCA · pith_short_8: QE4FP2G2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QE4FP2G2FGXYWZCADWIW74EPNS \
  | 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: 813857e8da29af8b64401d916ff08f6cbe3089de07f8a97eacc176a7731084e1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "89a243b897bfc4940f28f605b1c632fcc960efc50af6a0d0596e3be2f51e6c79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-12-04T04:15:37Z",
    "title_canon_sha256": "d80be65dbeaf06067aef0fefedb9900b40bf72b51c00bdbf90afc79a4a392c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01741",
    "kind": "arxiv",
    "version": 1
  }
}