Pith Number

pith:Q4HMSUMO

pith:2018:Q4HMSUMODIHSU7PQGFS4WW3ZC4

not attested not anchored not stored refs pending

Quantum causal models via QBism: the short version

Jacques Pienaar

arxiv:1807.03843 v1 · 2018-07-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4HMSUMODIHSU7PQGFS4WW3ZC4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:10:58.883984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870ec9518e1a0f2a7df03165cb5b7917223034c13888eefa9ba891dead3559f6

Aliases

arxiv: 1807.03843 · arxiv_version: 1807.03843v1 · doi: 10.48550/arxiv.1807.03843 · pith_short_12: Q4HMSUMODIHS · pith_short_16: Q4HMSUMODIHSU7PQ · pith_short_8: Q4HMSUMO

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/Q4HMSUMODIHSU7PQGFS4WW3ZC4 \
  | 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: 870ec9518e1a0f2a7df03165cb5b7917223034c13888eefa9ba891dead3559f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d446ee1794ccdbffc644d6249b7b42b6fbc8203a77df7f9dc8d84ec4300ddb69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-10T19:55:09Z",
    "title_canon_sha256": "2bf48ab1cab15274f043c88108a1fa3b19f446c8e5f79f308aecfccb2006d09d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03843",
    "kind": "arxiv",
    "version": 1
  }
}