Pith Number

pith:YXZ7SFBO

pith:2008:YXZ7SFBOTXAKC7SNLSM4424HM4

not attested not anchored not stored refs pending

Incomplete quantum process tomography and principle of maximal entropy

Mario Ziman

arxiv:0802.3892 v3 · 2008-02-26 · 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{YXZ7SFBOTXAKC7SNLSM4424HM4}

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.

Cited by

1 paper in Pith

Thermalization with partial information

Receipt and verification

First computed	2026-07-04T17:09:35.362475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f3f9142e9dc0a17e4d5c99ce6b8767029381e2857ad1105f6d681d023daeb2

Aliases

arxiv: 0802.3892 · arxiv_version: 0802.3892v3 · doi: 10.48550/arxiv.0802.3892 · pith_short_12: YXZ7SFBOTXAK · pith_short_16: YXZ7SFBOTXAKC7SN · pith_short_8: YXZ7SFBO

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/YXZ7SFBOTXAKC7SNLSM4424HM4 \
  | 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: c5f3f9142e9dc0a17e4d5c99ce6b8767029381e2857ad1105f6d681d023daeb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562331a1ac5dd1485b883283814b31b93c15d6df4234c2279db17a2d417afe91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-02-26T20:38:31Z",
    "title_canon_sha256": "09fa9156654462df7a93a340efdb77a7cd96e73399ff698a3fc3f08479675853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3892",
    "kind": "arxiv",
    "version": 3
  }
}