Pith Number

pith:2ZP6NRMF

pith:2025:2ZP6NRMFQJIXGGQPHAIDXYE2AN

not attested not anchored not stored refs pending

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

Laurens Walleghem, Lorenzo Catani

arxiv:2502.02461 v2 · 2025-02-04 · 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{2ZP6NRMFQJIXGGQPHAIDXYE2AN}

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

Limits of Absoluteness of Observed Events in Timelike Scenarios: A No-Go Theorem

Are free choices absolute, when internalized in Wigner's friend?

Receipt and verification

First computed	2026-05-20T00:01:32.597714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d65fe6c5858251731a0f38103be09a0363e6d34e305780f24de05fbb7c532417

Aliases

arxiv: 2502.02461 · arxiv_version: 2502.02461v2 · doi: 10.48550/arxiv.2502.02461 · pith_short_12: 2ZP6NRMFQJIX · pith_short_16: 2ZP6NRMFQJIXGGQP · pith_short_8: 2ZP6NRMF

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/2ZP6NRMFQJIXGGQPHAIDXYE2AN \
  | 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: d65fe6c5858251731a0f38103be09a0363e6d34e305780f24de05fbb7c532417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88e27cb55ee70e56388c54da23c566e5207539d12c825087345ac31254127ac5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-04T16:31:57Z",
    "title_canon_sha256": "3f8c3cf7cee553c397ccfbcb91d98f804e8380d82b5fd5ebc0ece1c830f93cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02461",
    "kind": "arxiv",
    "version": 2
  }
}