Pith Number

pith:JO365L4L

pith:2010:JO365L4LJHEKW4CTP2YDVMWILA

not attested not anchored not stored refs pending

Entangled inputs cannot make imperfect quantum channels perfect

Dong Yang, Fernando G.S.L. Brandao, Jens Eisert, Michal Horodecki

arxiv:1010.5074 v4 · 2010-10-25 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JO365L4LJHEKW4CTP2YDVMWILA}

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	2026-05-18T02:04:58.950694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bb7eeaf8b49c8ab70537eb03ab2c8582cb6154b24dc9f38e4148e06e811bd45

Aliases

arxiv: 1010.5074 · arxiv_version: 1010.5074v4 · doi: 10.48550/arxiv.1010.5074 · pith_short_12: JO365L4LJHEK · pith_short_16: JO365L4LJHEKW4CT · pith_short_8: JO365L4L

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/JO365L4LJHEKW4CTP2YDVMWILA \
  | 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: 4bb7eeaf8b49c8ab70537eb03ab2c8582cb6154b24dc9f38e4148e06e811bd45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f332960303e56b2dff5a841991a051dc7abc117014ed541f2069062fae1ed7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-10-25T10:11:38Z",
    "title_canon_sha256": "031a9d1985e45f019e27b3dce82f5cd3de796a7c60cb81c682840546212819f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5074",
    "kind": "arxiv",
    "version": 4
  }
}