Pith Number

pith:O63F7OYI

pith:2011:O63F7OYITVN2IB4ZYQKDU2D76W

not attested not anchored not stored refs pending

Quantum privacy witness

Karol Horodecki, Konrad Banaszek, Pawe{\l} Horodecki

arxiv:1109.2486 v1 · 2011-09-12 · 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{O63F7OYITVN2IB4ZYQKDU2D76W}

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	2026-05-18T03:23:13.767987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b65fbb089d5ba40799c4143a687ff5bd871f3930bfe4539633fd37bb90e441

Aliases

arxiv: 1109.2486 · arxiv_version: 1109.2486v1 · doi: 10.48550/arxiv.1109.2486 · pith_short_12: O63F7OYITVN2 · pith_short_16: O63F7OYITVN2IB4Z · pith_short_8: O63F7OYI

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/O63F7OYITVN2IB4ZYQKDU2D76W \
  | 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: 77b65fbb089d5ba40799c4143a687ff5bd871f3930bfe4539633fd37bb90e441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc30fa5c438f0dd453f916eb7b25655f9eed7d26bf0c54d0d7dd5f11e51d34fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-09-12T14:47:40Z",
    "title_canon_sha256": "ff0022f9f836173feb05a0939ad7c001fd6b68c3fd4a98694a6f2954ae2bfbab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2486",
    "kind": "arxiv",
    "version": 1
  }
}