Pith Number

pith:H2SUEXJC

pith:2010:H2SUEXJCS2TATE5XS7LS34ZN3R

not attested not anchored not stored refs pending

A New Quantum Key Distribution Scheme based on Frequency and Time Coding

Chang-hua Zhu, Chang-xing Pei, Dong-xiao Quan, Nan Chen, Yun-hui Yi

arxiv:1003.2472 v2 · 2010-03-12 · 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{H2SUEXJCS2TATE5XS7LS34ZN3R}

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	2026-05-18T02:08:34.689993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea5425d2296a60993b797d72df32ddc64da65d0d5d7a6cd541fd38a5d614cfc

Aliases

arxiv: 1003.2472 · arxiv_version: 1003.2472v2 · doi: 10.48550/arxiv.1003.2472 · pith_short_12: H2SUEXJCS2TA · pith_short_16: H2SUEXJCS2TATE5X · pith_short_8: H2SUEXJC

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/H2SUEXJCS2TATE5XS7LS34ZN3R \
  | 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: 3ea5425d2296a60993b797d72df32ddc64da65d0d5d7a6cd541fd38a5d614cfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01109cab4188d8f57973bc818669df49aeaad6e9359e7d6a50d72141c0f9bcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-12T04:09:33Z",
    "title_canon_sha256": "5473fd2eba6294d238954d076fc8973a9754ad6f08ec938531c9223bedbcf449"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2472",
    "kind": "arxiv",
    "version": 2
  }
}