Pith Number

pith:ULNSD26I

pith:2019:ULNSD26IYBMPAM74S2KKMZC35M

not attested not anchored not stored refs pending

QFactory: classically-instructed remote secret qubits preparation

Alexandru Cojocaru, Elham Kashefi, L\'eo Colisson, Petros Wallden

arxiv:1904.06303 v1 · 2019-04-12 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULNSD26IYBMPAM74S2KKMZC35M}

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.

Cited by

1 paper in Pith

Designing Fault-Tolerant Blind Quantum Computation

Receipt and verification

First computed	2026-07-05T00:27:31.034458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2db21ebc8c058f033fc9694a6645beb098fb180a3d12400598870ba46522e10

Aliases

arxiv: 1904.06303 · arxiv_version: 1904.06303v1 · doi: 10.48550/arxiv.1904.06303 · pith_short_12: ULNSD26IYBMP · pith_short_16: ULNSD26IYBMPAM74 · pith_short_8: ULNSD26I

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/ULNSD26IYBMPAM74S2KKMZC35M \
  | 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: a2db21ebc8c058f033fc9694a6645beb098fb180a3d12400598870ba46522e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60eb7281f20e89ba347e800a0f0ece7e77f37ab5ae4ad7ab25a4940ff5b3e331",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-12T16:13:12Z",
    "title_canon_sha256": "de063215e1895a5aaeb61d43f66a3dd7dd7047873666c5d8c7c52ce3bd3a605b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06303",
    "kind": "arxiv",
    "version": 1
  }
}