Pith Number

pith:BNTDTQGW

pith:2012:BNTDTQGWZ4PDHGWYZ5AXMVP4D3

not attested not anchored not stored refs pending

Quantum key distribution based on a quantum retrodiction protocol

Han-Duo Shi, Heng Fan, Liang-zhu Mu, Li Jing, Ru-Quan Wang, Yi-Nan Wang

arxiv:1205.3556 v3 · 2012-05-16 · 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{BNTDTQGWZ4PDHGWYZ5AXMVP4D3}

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	2026-05-18T03:36:36.873192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b6639c0d6cf1e339ad8cf417655fc1ec0b0e6c36b551b76a0b247ca12b19cd6

Aliases

arxiv: 1205.3556 · arxiv_version: 1205.3556v3 · doi: 10.48550/arxiv.1205.3556 · pith_short_12: BNTDTQGWZ4PD · pith_short_16: BNTDTQGWZ4PDHGWY · pith_short_8: BNTDTQGW

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/BNTDTQGWZ4PDHGWYZ5AXMVP4D3 \
  | 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: 0b6639c0d6cf1e339ad8cf417655fc1ec0b0e6c36b551b76a0b247ca12b19cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18969d3001cbd666a5788e0c5a9e0973042bede3bd35f85e548e02f0d9b9bde2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-16T05:41:57Z",
    "title_canon_sha256": "59383bd5b8bd07d9901ae815e14599421729a48e943b0ad9596d3bede0b15e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3556",
    "kind": "arxiv",
    "version": 3
  }
}