Pith Number

pith:ZQBILJ3F

pith:2015:ZQBILJ3F2GJTTBKCJCFGTI6HVC

not attested not anchored not stored refs pending

How random are random numbers generated using photons?

Aldo Solis, Alfred B. U'Ren, Al\'i M. Angulo Martinez, Hector Cruz Ram\'irez, Jorge G. Hirsch, Roberto Ram\'irez Alarc\'on

arxiv:1502.05882 v1 · 2015-02-20 · 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{ZQBILJ3F2GJTTBKCJCFGTI6HVC}

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	2026-05-18T01:39:54.947684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0285a765d193398542488a69a3c7a88fede96d91491b4abf0ba0cb2074f3b4

Aliases

arxiv: 1502.05882 · arxiv_version: 1502.05882v1 · doi: 10.48550/arxiv.1502.05882 · pith_short_12: ZQBILJ3F2GJT · pith_short_16: ZQBILJ3F2GJTTBKC · pith_short_8: ZQBILJ3F

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/ZQBILJ3F2GJTTBKCJCFGTI6HVC \
  | 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: cc0285a765d193398542488a69a3c7a88fede96d91491b4abf0ba0cb2074f3b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "219f170786fd386d7c6104092f58d15e0e47f1d6405d9f171cd4b409400f7746",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-20T14:25:49Z",
    "title_canon_sha256": "6319539d4b68dc344c3c6a310462e88acf577219cdb35e56af6602311f39cb52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05882",
    "kind": "arxiv",
    "version": 1
  }
}