Pith Number

pith:A4DB32CH

pith:2025:A4DB32CHF6QOYUMQVJB2Z37TLU

not attested not anchored not stored refs pending

Probing the Physical Reality of Projective Measurements

Leonard Werner Pingen, Mattia Moroder, Sebastian Paeckel

arxiv:2506.20618 v1 · 2025-06-25 · quant-ph · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4DB32CHF6QOYUMQVJB2Z37TLU}

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	2026-07-05T11:27:08.931483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07061de8472fa0ec5190aa43aceff35d36f1942bdff8f75b83486ccc8b253420

Aliases

arxiv: 2506.20618 · arxiv_version: 2506.20618v1 · doi: 10.48550/arxiv.2506.20618 · pith_short_12: A4DB32CHF6QO · pith_short_16: A4DB32CHF6QOYUMQ · pith_short_8: A4DB32CH

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/A4DB32CHF6QOYUMQVJB2Z37TLU \
  | 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: 07061de8472fa0ec5190aa43aceff35d36f1942bdff8f75b83486ccc8b253420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb95639f3068228eb4297e471c815855f2a4f8759eca00150b59efc6793d1f3",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-25T17:04:55Z",
    "title_canon_sha256": "926624b2dabe6d624b5dd327d64453606771ba96e2484fa5462941cb4ccbd59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20618",
    "kind": "arxiv",
    "version": 1
  }
}