Pith Number

pith:VQ2CBTFH

pith:2017:VQ2CBTFH4ZPXVERFLH2PDBU5ZV

not attested not anchored not stored refs pending

Device Independent Quantum Private Query with Finite Number of Entangled Qubits

and Goutam Paul, Arpita Maitra, Bappaditya Ghosh, Jyotirmoy Basak

arxiv:1705.04570 v1 · 2017-05-12 · 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{VQ2CBTFH4ZPXVERFLH2PDBU5ZV}

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	2026-05-18T00:44:37.776085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3420cca7e65f7a922559f4f1869dcd46452d72b148bcb99f16a64051e595a8

Aliases

arxiv: 1705.04570 · arxiv_version: 1705.04570v1 · doi: 10.48550/arxiv.1705.04570 · pith_short_12: VQ2CBTFH4ZPX · pith_short_16: VQ2CBTFH4ZPXVERF · pith_short_8: VQ2CBTFH

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/VQ2CBTFH4ZPXVERFLH2PDBU5ZV \
  | 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: ac3420cca7e65f7a922559f4f1869dcd46452d72b148bcb99f16a64051e595a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049f4ca50710526ad8091571c9f324607bdb806ac77e8b2304f228b0080caba4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-12T13:58:15Z",
    "title_canon_sha256": "f361556c3f66728b713ab80e24bb21feb0014617e28431bf0cc48e7432f71a4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04570",
    "kind": "arxiv",
    "version": 1
  }
}