Pith Number

pith:ZBSWDH7B

pith:2017:ZBSWDH7B5YKDXOGJT4ARSTLRF3

not attested not anchored not stored refs pending

An effective toy model in $M_n(\mathbb{C})$ for selective measurements in quantum mechanics

Peter Vecserny\'es

arxiv:1707.09821 v1 · 2017-07-31 · math-ph · math.MP · 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{ZBSWDH7B5YKDXOGJT4ARSTLRF3}

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	2026-05-18T00:30:00.963123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c865619fe1ee143bb8c99f01194d712ecb6c9d9e7bc551b38f6c5ae90607665b

Aliases

arxiv: 1707.09821 · arxiv_version: 1707.09821v1 · doi: 10.48550/arxiv.1707.09821 · pith_short_12: ZBSWDH7B5YKD · pith_short_16: ZBSWDH7B5YKDXOGJ · pith_short_8: ZBSWDH7B

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/ZBSWDH7B5YKDXOGJT4ARSTLRF3 \
  | 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: c865619fe1ee143bb8c99f01194d712ecb6c9d9e7bc551b38f6c5ae90607665b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08b7f61be93f72964f9e182ee05e89a822eb121b8a8aa59a9220bf33bff7d2e",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-07-31T12:36:40Z",
    "title_canon_sha256": "56c65fb1c4e7317013ec1447ac04146b83aef8607e38cd7e86765518fa67a351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09821",
    "kind": "arxiv",
    "version": 1
  }
}