Pith Number

pith:KDTHLVC3

pith:1998:KDTHLVC3OAKNDG2ITVKX3GRSM3

not attested not anchored not stored refs pending

Universal Quantum Information Compression

Michal Horodecki, Pawel Horodecki, Richard Jozsa, Ryszard Horodecki

arxiv:quant-ph/9805017 v1 · 1998-05-07 · 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{KDTHLVC3OAKNDG2ITVKX3GRSM3}

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	2026-07-04T16:10:58.201683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50e675d45b7014d19b489d557d9a3266d171ad9c1b8b537000a9000530b32a6f

Aliases

arxiv: quant-ph/9805017 · arxiv_version: quant-ph/9805017v1 · doi: 10.48550/arxiv.quant-ph/9805017 · pith_short_12: KDTHLVC3OAKN · pith_short_16: KDTHLVC3OAKNDG2I · pith_short_8: KDTHLVC3

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/KDTHLVC3OAKNDG2ITVKX3GRSM3 \
  | 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: 50e675d45b7014d19b489d557d9a3266d171ad9c1b8b537000a9000530b32a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f50008e9b51e8104ea4102f298274a3d48fecf00c75711a4b7417e4b3caabba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-05-07T07:59:07Z",
    "title_canon_sha256": "7496e1af238231f1e77b3e95d16fd8596ff3a8b1c0a8284fe3edcec425cdb4bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9805017",
    "kind": "arxiv",
    "version": 1
  }
}