Pith Number

pith:6YWNVHNU

pith:2013:6YWNVHNUUT7BXOEYUXXZ3HTION

not attested not anchored not stored refs pending

A short note on the concept of free choice

Renato Renner, Roger Colbeck

arxiv:1302.4446 v1 · 2013-02-18 · 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{6YWNVHNUUT7BXOEYUXXZ3HTION}

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	2026-05-18T03:33:13.250558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62cda9db4a4fe1bb898a5ef9d9e68737b20389891bedb2560767ce0156b6faf

Aliases

arxiv: 1302.4446 · arxiv_version: 1302.4446v1 · doi: 10.48550/arxiv.1302.4446 · pith_short_12: 6YWNVHNUUT7B · pith_short_16: 6YWNVHNUUT7BXOEY · pith_short_8: 6YWNVHNU

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/6YWNVHNUUT7BXOEYUXXZ3HTION \
  | 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: f62cda9db4a4fe1bb898a5ef9d9e68737b20389891bedb2560767ce0156b6faf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "579c9fed40b19d7158e2b1753837c108a07427fb422177f770ec9bffd86aa6bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-18T21:00:03Z",
    "title_canon_sha256": "c2fbf80e071d8f4e964b03f949b603096338b4a0641ea2d58d828c6139c6d0e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4446",
    "kind": "arxiv",
    "version": 1
  }
}