Pith Number

pith:PPJ7L3RC

pith:2017:PPJ7L3RCCEXQCKIKZRNTTC46E7

not attested not anchored not stored refs pending

Security proof of the two-way quantum secure direct communication with channel loss and noise

Huifang Hou, Jianyong Hu, Liantuan Xiao, Mingyong Jing, Peng Zhang, Qiangqiang Zhang, Suotang Jia

arxiv:1706.03234 v1 · 2017-06-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPJ7L3RCCEXQCKIKZRNTTC46E7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:42:38.099496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd3f5ee22112f01290acc5b398b9e27ecafd461060890ac5b326e44d7f62e9f

Aliases

arxiv: 1706.03234 · arxiv_version: 1706.03234v1 · doi: 10.48550/arxiv.1706.03234 · pith_short_12: PPJ7L3RCCEXQ · pith_short_16: PPJ7L3RCCEXQCKIK · pith_short_8: PPJ7L3RC

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/PPJ7L3RCCEXQCKIKZRNTTC46E7 \
  | 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: 7bd3f5ee22112f01290acc5b398b9e27ecafd461060890ac5b326e44d7f62e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea7604eb1e4c6df18ace2b4853ba544e70b71e53ba0c0e53ef48854875d03cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-06-10T13:46:27Z",
    "title_canon_sha256": "b6d8d35dd0874e3fc1950386b13a7ea84e3245e553ed6ea24077a870e30f7f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03234",
    "kind": "arxiv",
    "version": 1
  }
}