Pith Number

pith:EMHHUGTP

pith:2012:EMHHUGTPQAQ5XILY7OXWSMOG55

not attested not anchored not stored refs pending

Cryptanalysis of the efficient two-party quantum private comparison protocol with decoy photons and two-photon entanglement

Dongyang Long, Zhiwei Sun

arxiv:1204.4587 v1 · 2012-04-20 · 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{EMHHUGTPQAQ5XILY7OXWSMOG55}

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	2026-05-18T03:57:26.017484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230e7a1a6f8021dba178fbaf6931c6ef409f780b5df3e37eb79178ae85cec7cb

Aliases

arxiv: 1204.4587 · arxiv_version: 1204.4587v1 · doi: 10.48550/arxiv.1204.4587 · pith_short_12: EMHHUGTPQAQ5 · pith_short_16: EMHHUGTPQAQ5XILY · pith_short_8: EMHHUGTP

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/EMHHUGTPQAQ5XILY7OXWSMOG55 \
  | 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: 230e7a1a6f8021dba178fbaf6931c6ef409f780b5df3e37eb79178ae85cec7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407a44fedd3f9872a608a24a0ee0df97ff64e41b2a650299227b9a9d9d659ce2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-20T11:32:53Z",
    "title_canon_sha256": "647b65e26a42c7f3f237e3745d3f9b01795760170f55101fe1185582ce46ddf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4587",
    "kind": "arxiv",
    "version": 1
  }
}