Pith Number

pith:5UDDBCYG

pith:2020:5UDDBCYGACNS4L5HOZRQAQMKQK

not attested not anchored not stored refs pending

Secure Two-Party Quantum Computation Over Classical Channels

Alexandru Cojocaru, Atul Mantri, Elham Kashefi, Michele Ciampi

arxiv:2010.07925 v2 · 2020-10-15 · 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{5UDDBCYGACNS4L5HOZRQAQMKQK}

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	2026-07-05T02:44:03.772887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed06308b06009b2e2fa7766300418a82be00875e589e7ea380839ea0f4febf74

Aliases

arxiv: 2010.07925 · arxiv_version: 2010.07925v2 · doi: 10.48550/arxiv.2010.07925 · pith_short_12: 5UDDBCYGACNS · pith_short_16: 5UDDBCYGACNS4L5H · pith_short_8: 5UDDBCYG

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/5UDDBCYGACNS4L5HOZRQAQMKQK \
  | 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: ed06308b06009b2e2fa7766300418a82be00875e589e7ea380839ea0f4febf74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d328875317879b83897d7fd5f92b331694c627e4df43ea340e1b3ce75c5a5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-15T17:55:31Z",
    "title_canon_sha256": "8fc9f253cca4f93ec25207b56e7566346e8faa182d56f65d16f45e3ba585cc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07925",
    "kind": "arxiv",
    "version": 2
  }
}