Pith Number

pith:YMZYINQG

pith:2021:YMZYINQGNDQB32NJHRIGO6WLT5

not attested not anchored not stored refs pending

Quantum Causal Unravelling

Ge Bai, Giulio Chiribella, Masahito Hayashi, Ya-Dong Wu, Yan Zhu

arxiv:2109.13166 v3 · 2021-09-27 · 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{YMZYINQGNDQB32NJHRIGO6WLT5}

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	2026-07-05T04:34:13.400173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c33384360668e01de9a93c50677acb9f73b05549a4a4a87355556eaa59fa8986

Aliases

arxiv: 2109.13166 · arxiv_version: 2109.13166v3 · doi: 10.48550/arxiv.2109.13166 · pith_short_12: YMZYINQGNDQB · pith_short_16: YMZYINQGNDQB32NJ · pith_short_8: YMZYINQG

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/YMZYINQGNDQB32NJHRIGO6WLT5 \
  | 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: c33384360668e01de9a93c50677acb9f73b05549a4a4a87355556eaa59fa8986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6edd1c4c5f64d3c12e996f9073f74d79981952afa4eacec178521569dea27f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-27T16:28:06Z",
    "title_canon_sha256": "342b8c8ac4c77dff4fe863eedbb77fbaa97dac42c5246044e94cd9af98fb87fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13166",
    "kind": "arxiv",
    "version": 3
  }
}