Pith Number

pith:NJTEN3QP

pith:2025:NJTEN3QP34YBECAZLTPX7THA5T

not attested not anchored not stored refs pending

Positive contractive projections in Schatten Spaces

Estelle Boffy

arxiv:2509.23701 v2 · 2025-09-28 · math.FA · 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{NJTEN3QP34YBECAZLTPX7THA5T}

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

Spectral versus interpolation norms in tracial nonassociative $\mathrm{L}^p$-spaces

Receipt and verification

First computed	2026-06-30T01:17:27.031826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6646ee0fdf301208195cdf7fcce0ecc564cae848aac00c0dc9d02f3f2e2281

Aliases

arxiv: 2509.23701 · arxiv_version: 2509.23701v2 · doi: 10.48550/arxiv.2509.23701 · pith_short_12: NJTEN3QP34YB · pith_short_16: NJTEN3QP34YBECAZ · pith_short_8: NJTEN3QP

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/NJTEN3QP34YBECAZLTPX7THA5T \
  | 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: 6a6646ee0fdf301208195cdf7fcce0ecc564cae848aac00c0dc9d02f3f2e2281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201739220020e32f01db2c8818f301d1cacf6951f6c17951568e0b84af2efcc2",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2025-09-28T07:24:01Z",
    "title_canon_sha256": "34ba6d56de29987db7b44910cbc51c3ab8c2b7f58b7fab30a9926d41a4cbd74a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.23701",
    "kind": "arxiv",
    "version": 2
  }
}