Pith Number

pith:RA2SB26F

pith:2016:RA2SB26FVRXXW42OWJXFCT3GHW

not attested not anchored not stored refs pending

The measurement problem is the measurement problem is the measurement problem

Arne Hansen, Stefan Wolf, Veronika Baumann

arxiv:1611.01111 v1 · 2016-11-03 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RA2SB26FVRXXW42OWJXFCT3GHW}

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.

Cited by

2 papers in Pith

A refined Frauchiger--Renner paradox based on strong contextuality

The extended Wigner's friend, many- and single-worlds and reasoning from observation

Receipt and verification

First computed	2026-05-18T01:00:17.670251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883520ebc5ac6f7b734eb26e514f663d9c67acc786ef6b700720706dc2a4e385

Aliases

arxiv: 1611.01111 · arxiv_version: 1611.01111v1 · doi: 10.48550/arxiv.1611.01111 · pith_short_12: RA2SB26FVRXX · pith_short_16: RA2SB26FVRXXW42O · pith_short_8: RA2SB26F

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/RA2SB26FVRXXW42OWJXFCT3GHW \
  | 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: 883520ebc5ac6f7b734eb26e514f663d9c67acc786ef6b700720706dc2a4e385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e99da162f31b9dab29bd074b56214ea77d459df9f5b4e25d781e21f4e42799",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-03T17:58:56Z",
    "title_canon_sha256": "fb9777581ec221861c74201a0d7b495f9a887776a24fd4f95793db5785492043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01111",
    "kind": "arxiv",
    "version": 1
  }
}