Pith Number

pith:ZCON5TPD

pith:2014:ZCON5TPDPJYCKSP7MJIOAQ6CZP

not attested not anchored not stored refs pending

Schur coupling and related equivalence relations for operators on a Hilbert space

Dan Timotin

arxiv:1402.5046 v2 · 2014-02-20 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCON5TPDPJYCKSP7MJIOAQ6CZP}

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	2026-05-18T02:57:25.979044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c89cdecde37a702549ff6250e043c2cbe84798acd975f9d30d455e7a8f4f7376

Aliases

arxiv: 1402.5046 · arxiv_version: 1402.5046v2 · doi: 10.48550/arxiv.1402.5046 · pith_short_12: ZCON5TPDPJYC · pith_short_16: ZCON5TPDPJYCKSP7 · pith_short_8: ZCON5TPD

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/ZCON5TPDPJYCKSP7MJIOAQ6CZP \
  | 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: c89cdecde37a702549ff6250e043c2cbe84798acd975f9d30d455e7a8f4f7376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d007dd8bddb2ca8d314b55587dba14ee78c724f8ba31599d134de27d7286c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-02-20T15:42:21Z",
    "title_canon_sha256": "42f1903ea20deb49e5dc5e4c1a0f22c02c91bd1204ef61821fd01cf7f377fc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5046",
    "kind": "arxiv",
    "version": 2
  }
}