Pith Number

pith:TTHICUEP

pith:2019:TTHICUEPHWM5QEDS7YJENNLKWL

not attested not anchored not stored refs pending

Generalized probability rules from a timeless formulation of Wigner's friend scenarios

Alexander R. H. Smith, Caslav Brukner, Esteban Castro-Ruiz, Flaminia Giacomini, Flavio Del Santo, Veronika Baumann

arxiv:1911.09696 v4 · 2019-11-21 · 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{TTHICUEPHWM5QEDS7YJENNLKWL}

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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

On the relation between perspective-neutral, algebraic, and effective quantum reference frames

Receipt and verification

First computed	2026-07-05T03:06:09.941166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cce81508f3d99d81072fe1246b56ab2e6f15103b935bb39cac10a597a53bc2f

Aliases

arxiv: 1911.09696 · arxiv_version: 1911.09696v4 · doi: 10.48550/arxiv.1911.09696 · pith_short_12: TTHICUEPHWM5 · pith_short_16: TTHICUEPHWM5QEDS · pith_short_8: TTHICUEP

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/TTHICUEPHWM5QEDS7YJENNLKWL \
  | 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: 9cce81508f3d99d81072fe1246b56ab2e6f15103b935bb39cac10a597a53bc2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc8757f936c291edb1c5a09c01df253b75c4a7fc9231c6bb15e2a8f3a7fb25b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-21T19:01:04Z",
    "title_canon_sha256": "b367dc4f8a5dec0617526349100ffa12ab2f537996a66631599e4a2785a31e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09696",
    "kind": "arxiv",
    "version": 4
  }
}