Pith Number

pith:CAB2N35Y

pith:2004:CAB2N35YVJGDQSKKYGUGA5GUOG

not attested not anchored not stored refs pending

Reconstruction of superoperators from incomplete measurements

Mario Ziman, Martin Plesch, Vladimir Buzek

arxiv:quant-ph/0406088 v1 · 2004-06-14 · 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{CAB2N35YVJGDQSKKYGUGA5GUOG}

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	2026-05-18T01:02:05.559837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1003a6efb8aa4c38494ac1a86074d471b06a3781b80417045852bc484bdb8735

Aliases

arxiv: quant-ph/0406088 · arxiv_version: quant-ph/0406088v1 · doi: 10.48550/arxiv.quant-ph/0406088 · pith_short_12: CAB2N35YVJGD · pith_short_16: CAB2N35YVJGDQSKK · pith_short_8: CAB2N35Y

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/CAB2N35YVJGDQSKKYGUGA5GUOG \
  | 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: 1003a6efb8aa4c38494ac1a86074d471b06a3781b80417045852bc484bdb8735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde9f4b1077ebe04c8a7fc751d78411b8c4340d3d30fbc2f08e4f457cd3a7a7b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-06-14T09:12:36Z",
    "title_canon_sha256": "7fec2cc77ef8bb17de223418e3118f0f85fd5d133137302ac44f5b3695351468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0406088",
    "kind": "arxiv",
    "version": 1
  }
}