Pith Number

pith:IPPWZFU4

pith:2019:IPPWZFU4OLOOPXA4LB3DHNWAKP

not attested not anchored not stored refs pending

Multicore fiber-based quantum access network

Chun Cai, Jianing Niu, Peng Zhang, Yongmei Sun, Yongrui Zhang, Yuefeng Ji

arxiv:1905.05932 v1 · 2019-05-15 · 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{IPPWZFU4OLOOPXA4LB3DHNWAKP}

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

1 paper in Pith

From Provable to Practical: A Problem-Driven Survey of Classical and Machine-Learning Defenses for DV/CV Quantum Key Distribution

Receipt and verification

First computed	2026-05-17T23:46:08.047158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43df6c969c72dce7dc1c587633b6c053faf1a5874634a684c5a55327e2e9029d

Aliases

arxiv: 1905.05932 · arxiv_version: 1905.05932v1 · doi: 10.48550/arxiv.1905.05932 · pith_short_12: IPPWZFU4OLOO · pith_short_16: IPPWZFU4OLOOPXA4 · pith_short_8: IPPWZFU4

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/IPPWZFU4OLOOPXA4LB3DHNWAKP \
  | 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: 43df6c969c72dce7dc1c587633b6c053faf1a5874634a684c5a55327e2e9029d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d6a377f8e0c3f46ddf2a177200a0b3d743ff025f3808b3a44587a15730b202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-15T03:44:33Z",
    "title_canon_sha256": "3994885a8bf536f4d84a49f83f059cb359352ad82d09b7f4062644fa0bb98eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05932",
    "kind": "arxiv",
    "version": 1
  }
}