Pith Number

pith:ZI4ZZFAG

pith:2021:ZI4ZZFAGHO77QWRTAT32TAO6TN

not attested not anchored not stored refs pending

Bell nonlocality between sequential pairs of observers

Ad\'an Cabello

arxiv:2103.11844 v1 · 2021-03-22 · 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{ZI4ZZFAGHO77QWRTAT32TAO6TN}

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	2026-07-05T02:25:12.705172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca399c94063bbff85a3304f7a981de9b5af62ec772c10b46ab5156747a359236

Aliases

arxiv: 2103.11844 · arxiv_version: 2103.11844v1 · doi: 10.48550/arxiv.2103.11844 · pith_short_12: ZI4ZZFAGHO77 · pith_short_16: ZI4ZZFAGHO77QWRT · pith_short_8: ZI4ZZFAG

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/ZI4ZZFAGHO77QWRTAT32TAO6TN \
  | 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: ca399c94063bbff85a3304f7a981de9b5af62ec772c10b46ab5156747a359236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31befaa4be12ebfefad193d5edf86430679a8996278bb27c27fdb1eeef8baff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-22T13:39:21Z",
    "title_canon_sha256": "c3087838ada567bff8ee2ec513673063387cdcf02129dd2cb4e7ad2b948eb7e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11844",
    "kind": "arxiv",
    "version": 1
  }
}