Pith Number

pith:7RGYELTH

pith:2015:7RGYELTH4GR5LWRZMR7ZEZBQ55

not attested not anchored not stored refs pending

On the quantum measurement problem

Caslav Brukner

arxiv:1507.05255 v1 · 2015-07-19 · 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{7RGYELTH4GR5LWRZMR7ZEZBQ55}

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

1 paper in Pith

An extended Wigner's friend no-go theorem inspired by generalized contextuality

Receipt and verification

First computed	2026-05-18T01:36:37.395452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4d822e67e1a3d5da39647f926430ef4184c23a0db72a6fe673f74869b1d4b0

Aliases

arxiv: 1507.05255 · arxiv_version: 1507.05255v1 · doi: 10.48550/arxiv.1507.05255 · pith_short_12: 7RGYELTH4GR5 · pith_short_16: 7RGYELTH4GR5LWRZ · pith_short_8: 7RGYELTH

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/7RGYELTH4GR5LWRZMR7ZEZBQ55 \
  | 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: fc4d822e67e1a3d5da39647f926430ef4184c23a0db72a6fe673f74869b1d4b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4d528dad139edeb1aa904e12561eda3a1ba51f990ba46ecf4aede0db60147d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-19T07:21:09Z",
    "title_canon_sha256": "717a83d9442afeb0c386b8d3b66ed948b4ab9b6dc4d5610210971d838314bac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05255",
    "kind": "arxiv",
    "version": 1
  }
}