Pith Number

pith:XIQHEGUH

pith:2011:XIQHEGUH7JZD5IQL3BKLRJ5QBY

not attested not anchored not stored refs pending

Shearlets and Optimally Sparse Approximations

Gitta Kutyniok, Jakob Lemvig, Wang-Q Lim

arxiv:1106.1325 v2 · 2011-06-07 · math.FA · cs.IT · cs.NA · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIQHEGUH7JZD5IQL3BKLRJ5QBY}

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	2026-05-18T04:16:11.550660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba20721a87fa723ea20bd854b8a7b00e00d6f0bbaf15b479e32aa7cfca3606ff

Aliases

arxiv: 1106.1325 · arxiv_version: 1106.1325v2 · doi: 10.48550/arxiv.1106.1325 · pith_short_12: XIQHEGUH7JZD · pith_short_16: XIQHEGUH7JZD5IQL · pith_short_8: XIQHEGUH

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/XIQHEGUH7JZD5IQL3BKLRJ5QBY \
  | 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: ba20721a87fa723ea20bd854b8a7b00e00d6f0bbaf15b479e32aa7cfca3606ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d2c0d30e906699a7fe1b8c655cac429db48ff3e540bcc3c74d277992dfed2a",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-06-07T12:03:11Z",
    "title_canon_sha256": "0c881ef4ce3337b35f1ef5ab6feae8aae7e9f944a72b9b43763eedd444893880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1325",
    "kind": "arxiv",
    "version": 2
  }
}