Pith Number

pith:4HPYKRNZ

pith:2011:4HPYKRNZP4SKODP4QHXC6NQT62

not attested not anchored not stored refs pending

Image Separation using Wavelets and Shearlets

Gitta Kutyniok, Wang-Q Lim

arxiv:1101.0553 v2 · 2011-01-03 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HPYKRNZP4SKODP4QHXC6NQT62}

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	2026-05-18T04:20:14.502826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1df8545b97f24a70dfc81ee2f3613f6a154b1cf18609a6957ff6536a7afbc21

Aliases

arxiv: 1101.0553 · arxiv_version: 1101.0553v2 · doi: 10.48550/arxiv.1101.0553 · pith_short_12: 4HPYKRNZP4SK · pith_short_16: 4HPYKRNZP4SKODP4 · pith_short_8: 4HPYKRNZ

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/4HPYKRNZP4SKODP4QHXC6NQT62 \
  | 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: e1df8545b97f24a70dfc81ee2f3613f6a154b1cf18609a6957ff6536a7afbc21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c1b8d8bf530d80056b27965b7716a9a75c811e4a9c6d0cc6a94cce19cbce9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-01-03T16:24:00Z",
    "title_canon_sha256": "0f462ea6ff125d0604482999e8c464330d2fb84346810cb53f68f20428626fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0553",
    "kind": "arxiv",
    "version": 2
  }
}