Pith Number

pith:RQBQBZUN

pith:2007:RQBQBZUNTRGZ7FG32BMY4TATNJ

not attested not anchored not stored refs pending

Privacy Amplification, Private States, and the Uncertainty Principle

Jean-Christian Boileau, Joseph M. Renes

arxiv:quant-ph/0702187 v1 · 2007-02-19 · 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{RQBQBZUNTRGZ7FG32BMY4TATNJ}

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	2026-05-18T03:24:19.137192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c0300e68d9c4d9f94dbd0598e4c136a5fb68b61f20ef1ec3f6efbd39b8dbdf4

Aliases

arxiv: quant-ph/0702187 · arxiv_version: quant-ph/0702187v1 · doi: 10.48550/arxiv.quant-ph/0702187 · pith_short_12: RQBQBZUNTRGZ · pith_short_16: RQBQBZUNTRGZ7FG3 · pith_short_8: RQBQBZUN

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/RQBQBZUNTRGZ7FG32BMY4TATNJ \
  | 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: 8c0300e68d9c4d9f94dbd0598e4c136a5fb68b61f20ef1ec3f6efbd39b8dbdf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910354ae82dcf5ca2c6414fd5f1ff2885e55ff6ce18c65777a1e6428a29b4399",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-02-19T21:01:19Z",
    "title_canon_sha256": "a24262efd02be7bc9e524c8d0cca51f86b87407c3d892e2f6016f2781e4c2254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0702187",
    "kind": "arxiv",
    "version": 1
  }
}