Pith Number

pith:YZU6672R

pith:2026:YZU6672RAZUQMIZRLZ5GDDBN7W

not attested not anchored not stored refs pending

From Fundamental Dynamics to Applied Cryptography: Studies on the Quantum Speed Limit and Fully Passive Quantum Key Distribution

Jinjie Li

arxiv:2605.17532 v1 · 2026-05-17 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZU6672RAZUQMIZRLZ5GDDBN7W}

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	2026-05-20T00:04:44.368562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c669ef7f5106690623315e7a618c2dfdabd48075d5555c47389e3f023e0b020b

Aliases

arxiv: 2605.17532 · arxiv_version: 2605.17532v1 · doi: 10.48550/arxiv.2605.17532 · pith_short_12: YZU6672RAZUQ · pith_short_16: YZU6672RAZUQMIZR · pith_short_8: YZU6672R

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/YZU6672RAZUQMIZRLZ5GDDBN7W \
  | 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: c669ef7f5106690623315e7a618c2dfdabd48075d5555c47389e3f023e0b020b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd516148e8cc643acd3faf71210de24a11bd633e9f79a8a3831c685791aeb00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-17T16:33:44Z",
    "title_canon_sha256": "9eba5f64da79fc88064363aeee74f42b780f173b5f62a4c03805e2bbb9540ff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17532",
    "kind": "arxiv",
    "version": 1
  }
}