Pith Number

pith:TUVDYXF7

pith:2022:TUVDYXF7LXWUZ46OOUZZKXGV7E

not attested not anchored not stored refs pending

Quantum randomness certification with untrusted measurements and few probe states

Casper Ahl Breum, Jonatan Bohr Brask, Kieran Neil Wilkinson, Tobias Gehring

arxiv:2210.13608 v1 · 2022-10-24 · 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{TUVDYXF7LXWUZ46OOUZZKXGV7E}

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	2026-07-05T05:10:19.927340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d2a3c5cbf5ded4cf3ce7533955cd5f91fe98d95b2af4b575924a3ed2903dd83

Aliases

arxiv: 2210.13608 · arxiv_version: 2210.13608v1 · doi: 10.48550/arxiv.2210.13608 · pith_short_12: TUVDYXF7LXWU · pith_short_16: TUVDYXF7LXWUZ46O · pith_short_8: TUVDYXF7

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/TUVDYXF7LXWUZ46OOUZZKXGV7E \
  | 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: 9d2a3c5cbf5ded4cf3ce7533955cd5f91fe98d95b2af4b575924a3ed2903dd83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cd65bf05e79324667f77076446741a9fecd3ae818af3965e0e5de1abc36b08e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-10-24T21:18:22Z",
    "title_canon_sha256": "349559127e81e84c2195e08f69aa35cf595004e9c4a92335f32489a81b2acbe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.13608",
    "kind": "arxiv",
    "version": 1
  }
}