Pith Number

pith:KICIO6HF

pith:2000:KICIO6HF3W3FT4QY62IQ2XLXC3

not attested not anchored not stored refs pending

Zero knowledge convincing protocol on quantum bit is impossible

Michal Horodecki, Pawel Horodecki, Ryszard Horodecki

arxiv:quant-ph/0010048 v3 · 2000-10-12 · 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{KICIO6HF3W3FT4QY62IQ2XLXC3}

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	2026-05-18T00:26:47.778092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52048778e5ddb659f218f6910d5d7716f1941a488b163fd5fd27cf68de638ca1

Aliases

arxiv: quant-ph/0010048 · arxiv_version: quant-ph/0010048v3 · doi: 10.48550/arxiv.quant-ph/0010048 · pith_short_12: KICIO6HF3W3F · pith_short_16: KICIO6HF3W3FT4QY · pith_short_8: KICIO6HF

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/KICIO6HF3W3FT4QY62IQ2XLXC3 \
  | 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: 52048778e5ddb659f218f6910d5d7716f1941a488b163fd5fd27cf68de638ca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c779760ea2f07ea6796c2b1de58ad5ee82e27f740c829fe0e11dbe760e4d978c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-10-12T01:14:56Z",
    "title_canon_sha256": "e606cfde4f7e4d434e0122e32acaad4a74ee0009c7b5872289903d0504382c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0010048",
    "kind": "arxiv",
    "version": 3
  }
}