Pith Number

pith:N2A4HCVD

pith:2013:N2A4HCVD2PM23I6Z2T6N3ZJVSJ

not attested not anchored not stored refs pending

Is global asymptotic cloning state estimation?

Giulio Chiribella, Yuxiang Yang

arxiv:1306.6427 v2 · 2013-06-27 · 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{N2A4HCVD2PM23I6Z2T6N3ZJVSJ}

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

An Exponential Sample-Complexity Advantage for Coherent Quantum Inference

Receipt and verification

First computed	2026-05-18T02:54:48.123784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e81c38aa3d3d9ada3d9d4fcdde535925cbd3b86b72e33033bd1454fd3da9c22

Aliases

arxiv: 1306.6427 · arxiv_version: 1306.6427v2 · doi: 10.48550/arxiv.1306.6427 · pith_short_12: N2A4HCVD2PM2 · pith_short_16: N2A4HCVD2PM23I6Z · pith_short_8: N2A4HCVD

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/N2A4HCVD2PM23I6Z2T6N3ZJVSJ \
  | 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: 6e81c38aa3d3d9ada3d9d4fcdde535925cbd3b86b72e33033bd1454fd3da9c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c742f7f9857cb07e02b1d122cbc490d3eac0a23d62b96831c52e970414729568",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-27T07:50:49Z",
    "title_canon_sha256": "b634f0a280e5398387de3548c7a8ae1bc8d41d20e48986cbdfeca7636f281192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6427",
    "kind": "arxiv",
    "version": 2
  }
}