Pith Number

pith:J4E2CKU2

pith:2023:J4E2CKU2ZZUUVHCBDHH3IQCKSC

not attested not anchored not stored refs pending

Forty Thousand Kilometers Under Quantum Protection

A. B. Sagingalieva, A. D. Kodukhov, D. A. Kronberg, M. Pflitsch, M. V. Yarovikov, N. S. Kirsanov, V. A. Pastushenko, V. M. Vinokur

arxiv:2301.10610 v2 · 2023-01-25 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J4E2CKU2ZZUUVHCBDHH3IQCKSC}

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	2026-07-05T06:16:15.197764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f09a12a9ace694a9c4119cfb4404a9084caa0725f143c785188db3dd99c20f6

Aliases

arxiv: 2301.10610 · arxiv_version: 2301.10610v2 · doi: 10.48550/arxiv.2301.10610 · pith_short_12: J4E2CKU2ZZUU · pith_short_16: J4E2CKU2ZZUUVHCB · pith_short_8: J4E2CKU2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/J4E2CKU2ZZUUVHCBDHH3IQCKSC \
  | 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: 4f09a12a9ace694a9c4119cfb4404a9084caa0725f143c785188db3dd99c20f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f2c381f9aaf0f3eace83c240a0e4c44156b7b288cd013655240f8132b7965b6",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-25T14:43:19Z",
    "title_canon_sha256": "c03f6b076154097d4b8769d5a48c5473a4ab70737a19a1c489cf49f9c25225fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.10610",
    "kind": "arxiv",
    "version": 2
  }
}