Pith Number

pith:WV2V2BJW

pith:2019:WV2V2BJWI3YOVVTLVHTCCJPKA4

not attested not anchored not stored refs pending

Device-independent Randomness Expansion with Entangled Photons

Carlos Abell\'an, Collin Schlager, Emanuel Knill, Honghao Fu, Joel Ornstein, Joshua C. Bienfang, Lynden K. Shalm, Martin J. Stevens, Michael D. Mazurek, Mohammad A. Alhejji, Morgan W. Mitchell, Richard P. Mirin, Sae Woo Nam, Waldimar Amaya, Yanbao Zhang

arxiv:1912.11158 v2 · 2019-12-24 · quant-ph · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WV2V2BJWI3YOVVTLVHTCCJPKA4}

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	2026-07-05T03:24:06.126503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5755d053646f0ead66ba9e62125ea0714d675355da659f97c9995e8b84ba0e4

Aliases

arxiv: 1912.11158 · arxiv_version: 1912.11158v2 · doi: 10.48550/arxiv.1912.11158 · pith_short_12: WV2V2BJWI3YO · pith_short_16: WV2V2BJWI3YOVVTL · pith_short_8: WV2V2BJW

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/WV2V2BJWI3YOVVTLVHTCCJPKA4 \
  | 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: b5755d053646f0ead66ba9e62125ea0714d675355da659f97c9995e8b84ba0e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54f77c00607508bd3d4b928e2599dd70e9283d465d7e4b59378f6e14068740f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-24T01:01:08Z",
    "title_canon_sha256": "0f426496599551388fb2823635ed8335d4af8576553d5323716105d4a2fab72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.11158",
    "kind": "arxiv",
    "version": 2
  }
}