Pith Number

pith:3DWXEZ7M

pith:2016:3DWXEZ7MIUC5FAOMI35E4ROYKQ

not attested not anchored not stored refs pending

Measurement Uncertainty for Finite Quantum Observables

David Reeb, Reinhard F. Werner, Ren\'e Schwonnek

arxiv:1604.00382 v1 · 2016-04-01 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DWXEZ7MIUC5FAOMI35E4ROYKQ}

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	2026-05-18T01:12:48.566893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8ed7267ec4505d281cc46fa4e45d854378594fcb8c761a83f299280e237fdc5

Aliases

arxiv: 1604.00382 · arxiv_version: 1604.00382v1 · doi: 10.48550/arxiv.1604.00382 · pith_short_12: 3DWXEZ7MIUC5 · pith_short_16: 3DWXEZ7MIUC5FAOM · pith_short_8: 3DWXEZ7M

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/3DWXEZ7MIUC5FAOMI35E4ROYKQ \
  | 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: d8ed7267ec4505d281cc46fa4e45d854378594fcb8c761a83f299280e237fdc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db731a9eaff4596765b8710b5022cc82c1ab5d9d934231159bb4631307973d3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-01T19:50:45Z",
    "title_canon_sha256": "3f24a8deb50340f89e7e43c0b7d7b89cf01cdeb8e7fda1874f605bd679bc82e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00382",
    "kind": "arxiv",
    "version": 1
  }
}