Pith Number

pith:JPUQZIWF

pith:1998:JPUQZIWF26UBMR4SZ6ZE5BW26G

not attested not anchored not stored refs pending

Optimal compression of quantum information for one-qubit source at incomplete data: a new aspect of Jaynes principle

Michal Horodecki, Pawel Horodecki, Ryszard Horodecki

arxiv:quant-ph/9803080 v2 · 1998-03-27 · 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{JPUQZIWF26UBMR4SZ6ZE5BW26G}

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	2026-07-04T14:47:11.514067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be90ca2c5d7a8164792cfb24e86daf192b5786a9155bc4f0b6334555d8c046d

Aliases

arxiv: quant-ph/9803080 · arxiv_version: quant-ph/9803080v2 · doi: 10.48550/arxiv.quant-ph/9803080 · pith_short_12: JPUQZIWF26UB · pith_short_16: JPUQZIWF26UBMR4S · pith_short_8: JPUQZIWF

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/JPUQZIWF26UBMR4SZ6ZE5BW26G \
  | 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: 4be90ca2c5d7a8164792cfb24e86daf192b5786a9155bc4f0b6334555d8c046d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d96f24570974886b3e64922f7a026b8e235786a25fb7171196305104678e23",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-03-27T16:44:42Z",
    "title_canon_sha256": "d545f2ff3a6ffeb3565ac3912adf2f39b793e64b5e472c6d6bb11e8deea8b627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9803080",
    "kind": "arxiv",
    "version": 2
  }
}