pith. sign in
Pith Number

pith:T2QFK62A

pith:2017:T2QFK62ABLT4FLRRDES4VHPV6B
not attested not anchored not stored refs pending

Equivalence after extension and Schur coupling coincide for inessential operators

A.C.M. Ran, M. Messerschmidt, M. Roelands, M. Wortel, S. ter Horst

arxiv:1706.09177 v1 · 2017-06-28 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{T2QFK62ABLT4FLRRDES4VHPV6B}

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 2026-05-18T00:41:19.532655Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9ea0557b400ae7c2ae311925ca9df5f052156e4f3d15e0a1af90b9f3c1f59287

Aliases

arxiv: 1706.09177 · arxiv_version: 1706.09177v1 · doi: 10.48550/arxiv.1706.09177 · pith_short_12: T2QFK62ABLT4 · pith_short_16: T2QFK62ABLT4FLRR · pith_short_8: T2QFK62A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/T2QFK62ABLT4FLRRDES4VHPV6B \
  | 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: 9ea0557b400ae7c2ae311925ca9df5f052156e4f3d15e0a1af90b9f3c1f59287
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0f92f47c871e2750cabeeb3bbbeaf7ae221ddab4d920c86f719cca540affe1a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-06-28T09:07:17Z",
    "title_canon_sha256": "888608a2bf3a58af6ff8b843656fde96fdf39a1394d92170beb265e0742ec393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09177",
    "kind": "arxiv",
    "version": 1
  }
}