Pith Number

pith:O7Q5ZX3P

pith:2010:O7Q5ZX3PIV4NHW3XTGRGA33QHH

not attested not anchored not stored refs pending

Fundamental quantum limits for practical devices

Ryo Namiki

arxiv:1011.2014 v1 · 2010-11-09 · 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{O7Q5ZX3PIV4NHW3XTGRGA33QHH}

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	2026-05-18T04:23:35.056823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e1dcdf6f4578d3db7799a2606f7039f031b21f2424cb231460f124cf8147bf

Aliases

arxiv: 1011.2014 · arxiv_version: 1011.2014v1 · doi: 10.48550/arxiv.1011.2014 · pith_short_12: O7Q5ZX3PIV4N · pith_short_16: O7Q5ZX3PIV4NHW3X · pith_short_8: O7Q5ZX3P

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/O7Q5ZX3PIV4NHW3XTGRGA33QHH \
  | 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: 77e1dcdf6f4578d3db7799a2606f7039f031b21f2424cb231460f124cf8147bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d174b6631c6c4e2892e517041bf2dba7cdd90e9007ced1b9d3f279c53f2e1e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-11-09T09:37:15Z",
    "title_canon_sha256": "3a084e1b1a1dd60d415ae9a82d75e7d0c17b853b23ab37320fc73eec56ae5884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2014",
    "kind": "arxiv",
    "version": 1
  }
}