Pith Number

pith:HSWSH3OH

pith:2015:HSWSH3OHBYWI62QMISAY6HLEBU

not attested not anchored not stored refs pending

Efficient Quantum Compression for Ensembles of Identically Prepared Mixed States

Daniel Ebler, Giulio Chiribella, Yuxiang Yang

arxiv:1506.03542 v4 · 2015-06-11 · 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{HSWSH3OHBYWI62QMISAY6HLEBU}

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	2026-05-18T01:19:48.484374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cad23edc70e2c8f6a0c44818f1d640d24953810bfbc10290f40cc2d3841e119

Aliases

arxiv: 1506.03542 · arxiv_version: 1506.03542v4 · doi: 10.48550/arxiv.1506.03542 · pith_short_12: HSWSH3OHBYWI · pith_short_16: HSWSH3OHBYWI62QM · pith_short_8: HSWSH3OH

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/HSWSH3OHBYWI62QMISAY6HLEBU \
  | 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: 3cad23edc70e2c8f6a0c44818f1d640d24953810bfbc10290f40cc2d3841e119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181adad1d55fa18d3fe172c6bcb51fe871e852c0a4c26b1b6f9e6dd333377cdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-11T04:13:08Z",
    "title_canon_sha256": "fd1139e8e3d3fd531e3e7af59dd0a52b850435b834fe5cf85b3dd19c3affdc2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03542",
    "kind": "arxiv",
    "version": 4
  }
}