Pith Number

pith:WYUPQCTU

pith:2009:WYUPQCTUHCXBVGN3BW5MA6SBK5

not attested not anchored not stored refs pending

The Measurement Process in Local Quantum Theory and the EPR Paradox

Sergio Doplicher

arxiv:0908.0480 v2 · 2009-08-04 · quant-ph · hep-th · 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{WYUPQCTUHCXBVGN3BW5MA6SBK5}

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	2026-05-18T00:23:09.964440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b628f80a7438ae1a99bb0dbac07a41575243a46ecd4617a5fae160f8b4771089

Aliases

arxiv: 0908.0480 · arxiv_version: 0908.0480v2 · doi: 10.48550/arxiv.0908.0480 · pith_short_12: WYUPQCTUHCXB · pith_short_16: WYUPQCTUHCXBVGN3 · pith_short_8: WYUPQCTU

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/WYUPQCTUHCXBVGN3BW5MA6SBK5 \
  | 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: b628f80a7438ae1a99bb0dbac07a41575243a46ecd4617a5fae160f8b4771089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08056a1a0b4d86f1bb6b7c4281833f1c22b3155546ef669e4ca0b4d23678ae0e",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-04T15:56:28Z",
    "title_canon_sha256": "e2fe1b2b24f674beee1c78a2990c1ff822c6c2f84b048db5b375c5f0393acb3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0480",
    "kind": "arxiv",
    "version": 2
  }
}