Pith Number

pith:BJHG2K6W

pith:2019:BJHG2K6WNHOJQ7AITBDQU6HF3H

not attested not anchored not stored refs pending

Experimental test of local observer-independence

Alessandro Fedrizzi, Alexander Pickston, Cyril Branciard, Dmytro Kundys, Francesco Graffitti, Martin Ringbauer, Massimiliano Proietti, Peter Barrow

arxiv:1902.05080 v2 · 2019-02-13 · 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{BJHG2K6WNHOJQ7AITBDQU6HF3H}

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

Closing objectivity loophole in Bell tests on a public quantum computer

Receipt and verification

First computed	2026-07-05T00:16:32.777090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4e6d2bd669dc987c0898470a78e5d9cee96dbed6250220ed56f8301ac240d1

Aliases

arxiv: 1902.05080 · arxiv_version: 1902.05080v2 · doi: 10.48550/arxiv.1902.05080 · pith_short_12: BJHG2K6WNHOJ · pith_short_16: BJHG2K6WNHOJQ7AI · pith_short_8: BJHG2K6W

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/BJHG2K6WNHOJQ7AITBDQU6HF3H \
  | 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: 0a4e6d2bd669dc987c0898470a78e5d9cee96dbed6250220ed56f8301ac240d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99823e4ea33b89d54693e4d7fd478656562ebe3ad0eec0dade6b29128df85012",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-13T19:00:07Z",
    "title_canon_sha256": "e476cf5e6e382b333c745314b2c9b501b38464ef793f1d6e156a1effc1fa8fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05080",
    "kind": "arxiv",
    "version": 2
  }
}