Pith Number

pith:Q3HUMCR2

pith:2010:Q3HUMCR2RRG35UBULHHBZXBSBQ

not attested not anchored not stored refs pending

Measurement contextuality is implied by macroscopic realism

Alberto Montina, Zeqian Chen

arxiv:1012.2122 v2 · 2010-12-09 · 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{Q3HUMCR2RRG35UBULHHBZXBSBQ}

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.

Receipt and verification

First computed	2026-05-18T04:15:04.183356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cf460a3a8c4dbed03459ce1cdc320c24a6f9397af4f7594d4296957e2e6346

Aliases

arxiv: 1012.2122 · arxiv_version: 1012.2122v2 · doi: 10.48550/arxiv.1012.2122 · pith_short_12: Q3HUMCR2RRG3 · pith_short_16: Q3HUMCR2RRG35UBU · pith_short_8: Q3HUMCR2

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/Q3HUMCR2RRG35UBULHHBZXBSBQ \
  | 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: 86cf460a3a8c4dbed03459ce1cdc320c24a6f9397af4f7594d4296957e2e6346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dafcf57c39b9dfa7dbb99a425cab698505a391e38d66af09ccf6899084ab12fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-09T21:05:50Z",
    "title_canon_sha256": "97c109cca1a7508a677845f53d2e8114b158f82b56d6970609dc8fc6bcb66da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2122",
    "kind": "arxiv",
    "version": 2
  }
}