Pith Number

pith:KA6HKG77

pith:2013:KA6HKG77VNODUWEE23VVQ7BDYW

not attested not anchored not stored refs pending

Measurement uncertainty relations

Paul Busch, Pekka Lahti, Reinhard F Werner

arxiv:1312.4392 v2 · 2013-12-16 · 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{KA6HKG77VNODUWEE23VVQ7BDYW}

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	2026-05-18T02:52:55.796293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503c751bffab5c3a5884d6eb587c23c5b9cbea4d1269502043b567f59daccb14

Aliases

arxiv: 1312.4392 · arxiv_version: 1312.4392v2 · doi: 10.48550/arxiv.1312.4392 · pith_short_12: KA6HKG77VNOD · pith_short_16: KA6HKG77VNODUWEE · pith_short_8: KA6HKG77

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/KA6HKG77VNODUWEE23VVQ7BDYW \
  | 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: 503c751bffab5c3a5884d6eb587c23c5b9cbea4d1269502043b567f59daccb14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c72487e8170e69820ec347c45a3585fba74abec42d2a03e0b3fe3169cc77decf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-16T15:07:00Z",
    "title_canon_sha256": "6aca633dc70029b52806149f5f7e5a7cb1810142edc3b578db5e49e72ec68239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4392",
    "kind": "arxiv",
    "version": 2
  }
}