Pith Number

pith:6NKXWRC5

pith:2015:6NKXWRC5D3YHRETNVFQO73EIW2

not attested not anchored not stored refs pending

Positivity of linear maps under tensor powers

Alexander M\"uller-Hermes, David Reeb, Michael M. Wolf

arxiv:1502.05630 v2 · 2015-02-19 · quant-ph · math-ph · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NKXWRC5D3YHRETNVFQO73EIW2}

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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

Sharp Plucker Geometry for Three-Copy Werner Distillation

Receipt and verification

First computed	2026-05-18T01:24:03.927895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3557b445d1ef078926da960efec88b69b9f32c576fbecb31773d7b2ec6925eb

Aliases

arxiv: 1502.05630 · arxiv_version: 1502.05630v2 · doi: 10.48550/arxiv.1502.05630 · pith_short_12: 6NKXWRC5D3YH · pith_short_16: 6NKXWRC5D3YHRETN · pith_short_8: 6NKXWRC5

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/6NKXWRC5D3YHRETNVFQO73EIW2 \
  | 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: f3557b445d1ef078926da960efec88b69b9f32c576fbecb31773d7b2ec6925eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4346b7eb5f6722ffbd6d31557d79a544a3e55d970fdd9dde19d7c2e722033a99",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-19T17:16:46Z",
    "title_canon_sha256": "2a92f41879497bf064502b0e66331ba3e5f40f9c365893fa3de48890700bf7e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05630",
    "kind": "arxiv",
    "version": 2
  }
}