Pith Number

pith:KFBQ6IAR

pith:2017:KFBQ6IAR5JCXJOQ3OXWUYHXY75

not attested not anchored not stored refs pending

Matrix valued truncated Toeplitz operators: basic properties

Dan Timotin, Rewayat Khan

arxiv:1704.02506 v1 · 2017-04-08 · 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{KFBQ6IAR5JCXJOQ3OXWUYHXY75}

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	2026-05-18T00:46:45.316931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51430f2011ea4574ba1b75ed4c1ef8ff5b0828fd8b694ec9859edda658dd9046

Aliases

arxiv: 1704.02506 · arxiv_version: 1704.02506v1 · doi: 10.48550/arxiv.1704.02506 · pith_short_12: KFBQ6IAR5JCX · pith_short_16: KFBQ6IAR5JCXJOQ3 · pith_short_8: KFBQ6IAR

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/KFBQ6IAR5JCXJOQ3OXWUYHXY75 \
  | 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: 51430f2011ea4574ba1b75ed4c1ef8ff5b0828fd8b694ec9859edda658dd9046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47243233e0c7e5a1cf9cf7c5d7dbdc8dd28d49beaa81e1e09f66b813a142a995",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-04-08T15:32:01Z",
    "title_canon_sha256": "e859443e53af2ec0f7dbdc05edd0273f8c9fe4ab96a455ffd824778f04c649d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02506",
    "kind": "arxiv",
    "version": 1
  }
}