Pith Number

pith:7K2ZWFOL

pith:2019:7K2ZWFOL44LS57UKA6UTGVD24Z

not attested not anchored not stored refs pending

Entanglement: Quantum or Classical?

Dilip Paneru, Ebrahim Karimi, Eliahu Cohen, Robert Fickler, Robert W. Boyd

arxiv:1911.02201 v1 · 2019-11-06 · 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{7K2ZWFOL44LS57UKA6UTGVD24Z}

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	2026-07-05T01:12:27.101387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab59b15cbe7172efe8a07a933547ae6793feca667edc515652106c6ac159def

Aliases

arxiv: 1911.02201 · arxiv_version: 1911.02201v1 · doi: 10.48550/arxiv.1911.02201 · pith_short_12: 7K2ZWFOL44LS · pith_short_16: 7K2ZWFOL44LS57UK · pith_short_8: 7K2ZWFOL

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/7K2ZWFOL44LS57UKA6UTGVD24Z \
  | 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: fab59b15cbe7172efe8a07a933547ae6793feca667edc515652106c6ac159def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05a3fcbebe086f721a821687a6378a146db634edaebc014dc5b86be876b48c1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-06T05:01:20Z",
    "title_canon_sha256": "f6d2fde8b5e97fa87fd528d91f702ef63ba9d840ca247b87f6882498bf1f440a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.02201",
    "kind": "arxiv",
    "version": 1
  }
}