Pith Number

pith:AQ3T6YVP

pith:2017:AQ3T6YVPGJOVVHZDC6D7WU2TDF

not attested not anchored not stored refs pending

Measurement uncertainty relations for position and momentum: Relative entropy formulation

Alberto Barchielli, Alessandro Toigo, Matteo Gregoratti

arxiv:1705.09949 v1 · 2017-05-28 · quant-ph · cs.IT · math-ph · math.IT · 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{AQ3T6YVPGJOVVHZDC6D7WU2TDF}

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	2026-05-18T00:41:44.039125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04373f62af325d5a9f231787fb53531951a056cae1eeb5703f10c2a2cd9d3bc8

Aliases

arxiv: 1705.09949 · arxiv_version: 1705.09949v1 · doi: 10.48550/arxiv.1705.09949 · pith_short_12: AQ3T6YVPGJOV · pith_short_16: AQ3T6YVPGJOVVHZD · pith_short_8: AQ3T6YVP

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/AQ3T6YVPGJOVVHZDC6D7WU2TDF \
  | 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: 04373f62af325d5a9f231787fb53531951a056cae1eeb5703f10c2a2cd9d3bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a44ad96164b26f0abf9f9aec569b57ffdd8ca6e6acfb001d5e0be0f4b9123d08",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-28T15:08:28Z",
    "title_canon_sha256": "eaac8e27d83973842ab393f281cefe8961a53fa075020cc6ac0172d5f9add8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09949",
    "kind": "arxiv",
    "version": 1
  }
}