Pith Number

pith:6IIA6IKM

pith:2006:6IIA6IKM6TO4XRGIOKFTRQVJXK

not attested not anchored not stored refs pending

Quartically hyponormal weighted shifts need not be 3-hyponormal

Raul E. Curto, Sang Hoon Lee

arxiv:math/0610887 v1 · 2006-10-28 · 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{6IIA6IKM6TO4XRGIOKFTRQVJXK}

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	2026-07-04T14:57:11.313878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2100f214cf4ddcbc4c8728b38c2a9bab8a72773e64deac8adde6f82c6db7813

Aliases

arxiv: math/0610887 · arxiv_version: math/0610887v1 · doi: 10.48550/arxiv.math/0610887 · pith_short_12: 6IIA6IKM6TO4 · pith_short_16: 6IIA6IKM6TO4XRGI · pith_short_8: 6IIA6IKM

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/6IIA6IKM6TO4XRGIOKFTRQVJXK \
  | 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: f2100f214cf4ddcbc4c8728b38c2a9bab8a72773e64deac8adde6f82c6db7813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12157d38dbc0666f735e24afcaf3e3bbee91958e9c51dcb605df3d3f4d9b520",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "2006-10-28T23:01:15Z",
    "title_canon_sha256": "9fa7de6569d1e0edcbce71058487181ece6e2e02f1cfcd1a8b324ecbce9e14f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0610887",
    "kind": "arxiv",
    "version": 1
  }
}