Pith Number

pith:4BHET2QG

pith:2017:4BHET2QGYXBXZ2MWG56NQZYU7M

not attested not anchored not stored refs pending

Device Independent Quantum Private Query

Arpita Maitra, Goutam Paul, Sarbani Roy

arxiv:1701.01087 v3 · 2017-01-04 · 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{4BHET2QGYXBXZ2MWG56NQZYU7M}

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	2026-05-18T00:45:14.417877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e04e49ea06c5c37ce996377cd86714fb365087ab3cb11f1c09ebb8ddca835673

Aliases

arxiv: 1701.01087 · arxiv_version: 1701.01087v3 · doi: 10.48550/arxiv.1701.01087 · pith_short_12: 4BHET2QGYXBX · pith_short_16: 4BHET2QGYXBXZ2MW · pith_short_8: 4BHET2QG

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/4BHET2QGYXBXZ2MWG56NQZYU7M \
  | 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: e04e49ea06c5c37ce996377cd86714fb365087ab3cb11f1c09ebb8ddca835673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b08eff329856aaffcc95e2ed189f03fdb38471738edba1020d3e6bbfb66e863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-04T17:42:06Z",
    "title_canon_sha256": "2a9a9456e560f51545f4b2cb317a4dea8fb1241996c76d1c248b0a1a8c01b0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01087",
    "kind": "arxiv",
    "version": 3
  }
}