Pith Number

pith:JQQOOR3I

pith:2013:JQQOOR3IEU6FANL45MJ36DMKAL

not attested not anchored not stored refs pending

On coexistence and joint measurability of rank-1 quantum observables

Juha-Pekka Pellonp\"a\"a

arxiv:1308.3154 v3 · 2013-08-14 · 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{JQQOOR3IEU6FANL45MJ36DMKAL}

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	2026-05-18T01:48:15.523871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c20e74768253c50357ceb13bf0d8a02f0b089fa36a1e802d61dadc1262dfa39

Aliases

arxiv: 1308.3154 · arxiv_version: 1308.3154v3 · doi: 10.48550/arxiv.1308.3154 · pith_short_12: JQQOOR3IEU6F · pith_short_16: JQQOOR3IEU6FANL4 · pith_short_8: JQQOOR3I

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/JQQOOR3IEU6FANL45MJ36DMKAL \
  | 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: 4c20e74768253c50357ceb13bf0d8a02f0b089fa36a1e802d61dadc1262dfa39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2eea0f3fe7cae225b58dd9ec92cf09daf2c120ab8722932cf7112ca52bf2c4b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-14T15:33:43Z",
    "title_canon_sha256": "5af7a4d4c8e57b992a576da411e7e06bf9bac670302e555c95836cb6b53cbb5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3154",
    "kind": "arxiv",
    "version": 3
  }
}