Pith Number

pith:PHBF2TAT

pith:2018:PHBF2TATTMEWK3PATBAUWMAOM4

not attested not anchored not stored refs pending

A no-go theorem for observer-independent facts

Caslav Brukner

arxiv:1804.00749 v1 · 2018-04-02 · 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{PHBF2TATTMEWK3PATBAUWMAOM4}

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

Quantum Reference Fields Transformations in Linearized Quantum Gravity

Wavefunctions localization, and the Wigner's Friend Paradox in a Framework of Discrete-Space Hypothesis

Receipt and verification

First computed	2026-05-18T00:14:21.507679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c25d4c139b09656de098414b300e6702775941baa24c1981039bb1b74da603

Aliases

arxiv: 1804.00749 · arxiv_version: 1804.00749v1 · doi: 10.48550/arxiv.1804.00749 · pith_short_12: PHBF2TATTMEW · pith_short_16: PHBF2TATTMEWK3PA · pith_short_8: PHBF2TAT

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/PHBF2TATTMEWK3PATBAUWMAOM4 \
  | 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: 79c25d4c139b09656de098414b300e6702775941baa24c1981039bb1b74da603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b83fd75753fb10a23c6fc9d289fda48b8f0cd657146c9d354169bb0550b09e4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-02T22:18:01Z",
    "title_canon_sha256": "4dac8e7b15f8324eb9ae2fa6e01a1dafb71a79c66cc8b1b980a818be5c8efefb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00749",
    "kind": "arxiv",
    "version": 1
  }
}