Pith Number

pith:GGXNLFHP

pith:2009:GGXNLFHP4TMJEDY6NCN4DPOVYN

not attested not anchored not stored refs pending

Construction of Hilbert Transform Pairs of Wavelet Bases and Gabor-like Transforms

Kunal Narayan Chaudhury, Michael Unser

arxiv:0908.3380 v1 · 2009-08-24 · cs.IT · cs.CV · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GGXNLFHP4TMJEDY6NCN4DPOVYN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:17:57.787369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31aed594efe4d8920f1e689bc1bdd5c36e5ea834ab6d869feb90d04049fd103b

Aliases

arxiv: 0908.3380 · arxiv_version: 0908.3380v1 · doi: 10.48550/arxiv.0908.3380 · pith_short_12: GGXNLFHP4TMJ · pith_short_16: GGXNLFHP4TMJEDY6 · pith_short_8: GGXNLFHP

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/GGXNLFHP4TMJEDY6NCN4DPOVYN \
  | 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: 31aed594efe4d8920f1e689bc1bdd5c36e5ea834ab6d869feb90d04049fd103b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1baebaf01f109a8206dc70219648b28f90b838686898510b3a7e527afec4b3c",
    "cross_cats_sorted": [
      "cs.CV",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-24T15:27:09Z",
    "title_canon_sha256": "7a1744599a35345580638fc4296b4a77892afa979fc03a2ffeeba2c20e9aabdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3380",
    "kind": "arxiv",
    "version": 1
  }
}