Pith Number

pith:5CQMFGTU

pith:2016:5CQMFGTUBIIPAEAOACVYD5MODK

not attested not anchored not stored refs pending

Experimental Device-Independent Tests of Classical and Quantum Entropy

Feng Zhu, Lixing You, Sijing Chen, Wei Zhang, Yidong Huang, Zhen Wang

arxiv:1608.02108 v1 · 2016-08-06 · 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{5CQMFGTUBIIPAEAOACVYD5MODK}

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	2026-05-18T00:53:25.654632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a0c29a740a10f0100e00ab81f58e1ab20e05590b65c8863c72132e40a45ada

Aliases

arxiv: 1608.02108 · arxiv_version: 1608.02108v1 · doi: 10.48550/arxiv.1608.02108 · pith_short_12: 5CQMFGTUBIIP · pith_short_16: 5CQMFGTUBIIPAEAO · pith_short_8: 5CQMFGTU

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/5CQMFGTUBIIPAEAOACVYD5MODK \
  | 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: e8a0c29a740a10f0100e00ab81f58e1ab20e05590b65c8863c72132e40a45ada

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0a90c8b388e06d97b1cd6ea21bb319aab0568a54eb33c44a1000e095e1251a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-08-06T13:23:27Z",
    "title_canon_sha256": "c4115f587a5d1bc5b6bf49cec3fa342dbc96ff24b1c2c56121d0e1fe33a6aa19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02108",
    "kind": "arxiv",
    "version": 1
  }
}