Pith Number

pith:OGKRIQIB

pith:2026:OGKRIQIB4HRCFDU55BLS6SAT3R

not attested not anchored not stored refs pending

Quantum Zeno-like Paradox for Position Measurements: A Particle Precisely Found in Space is Nowhere to be Found in Hilbert Space

Roderich Tumulka, Xabier Oianguren-Asua

arxiv:2601.19469 v3 · 2026-01-27 · 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{OGKRIQIB4HRCFDU55BLS6SAT3R}

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	2026-07-09T01:19:51.317996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7195144101e1e2228e9de8572f4813dc54858dd26018cc9de678da7b84a8a03e

Aliases

arxiv: 2601.19469 · arxiv_version: 2601.19469v3 · doi: 10.48550/arxiv.2601.19469 · pith_short_12: OGKRIQIB4HRC · pith_short_16: OGKRIQIB4HRCFDU5 · pith_short_8: OGKRIQIB

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/OGKRIQIB4HRCFDU55BLS6SAT3R \
  | 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: 7195144101e1e2228e9de8572f4813dc54858dd26018cc9de678da7b84a8a03e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d4acb5c7696751b776c78680a907654573728ef9d1ccce39ca4d2af4dd8ac6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-01-27T10:50:49Z",
    "title_canon_sha256": "24f70c094af4c8bedd667c59009186c1cde9fe8ef0eb1d992c24cd77844f2e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19469",
    "kind": "arxiv",
    "version": 3
  }
}