Pith Number

pith:QQTX7JPX

pith:2016:QQTX7JPXO5C4CSZ7AOUL25ST6E

not attested not anchored not stored refs pending

Strictly-complete measurements for bounded-rank quantum-state tomography

Amir Kalev, Charles H. Baldwin, Ivan H. Deutsch

arxiv:1605.02109 v1 · 2016-05-06 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQTX7JPXO5C4CSZ7AOUL25ST6E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:15:22.068537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84277fa5f77745c14b3f03a8bd7653f122c1732490d53399664c760c332dc4bf

Aliases

arxiv: 1605.02109 · arxiv_version: 1605.02109v1 · doi: 10.48550/arxiv.1605.02109 · pith_short_12: QQTX7JPXO5C4 · pith_short_16: QQTX7JPXO5C4CSZ7 · pith_short_8: QQTX7JPX

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/QQTX7JPXO5C4CSZ7AOUL25ST6E \
  | 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: 84277fa5f77745c14b3f03a8bd7653f122c1732490d53399664c760c332dc4bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08c31b5b21109baad0536f07a653015edd2be69c51f36fb20448132f23fc0772",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-06T22:15:13Z",
    "title_canon_sha256": "4c8c03dd7186251ff7301c11814029d85bfbaf86becd8af53872f0448073b6ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02109",
    "kind": "arxiv",
    "version": 1
  }
}