Pith Number

pith:37G3DXSZ

pith:2021:37G3DXSZCPGEWI4NLGH5OS3OAJ

not attested not anchored not stored refs pending

No-signaling-proof randomness extraction from public weak sources

Micha{\l} Banacki, Pawe{\l} Horodecki, Ravishankar Ramanathan

arxiv:2108.08819 v2 · 2021-08-19 · 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{37G3DXSZCPGEWI4NLGH5OS3OAJ}

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.

Cited by

1 paper in Pith

Non-signaling assistance in prepare-and-measure scenarios with classical communication

Receipt and verification

First computed	2026-07-05T03:17:58.144408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfcdb1de5913cc4b238d598fd74b6e026cb016dc441ebafae0f44f291d5d39c5

Aliases

arxiv: 2108.08819 · arxiv_version: 2108.08819v2 · doi: 10.48550/arxiv.2108.08819 · pith_short_12: 37G3DXSZCPGE · pith_short_16: 37G3DXSZCPGEWI4N · pith_short_8: 37G3DXSZ

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/37G3DXSZCPGEWI4NLGH5OS3OAJ \
  | 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: dfcdb1de5913cc4b238d598fd74b6e026cb016dc441ebafae0f44f291d5d39c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92a513906089507b3e0a6f579e8b92eb9080047e46a0e9c50288058d1f58d5e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-19T17:38:48Z",
    "title_canon_sha256": "ced89728208c6bcd1d7fa2620802689d25dcf8637e9dbd7e8dc9ccd09688537f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08819",
    "kind": "arxiv",
    "version": 2
  }
}