Pith Number

pith:LMILON7S

pith:2009:LMILON7SIJNWB3ICIGND47XZH2

not attested not anchored not stored refs pending

Fast adaptive elliptical filtering using box splines

Arrate Munoz Barrutia, Kunal Narayan Chaudhury, Michael Unser

arxiv:0908.3861 v2 · 2009-08-26 · 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{LMILON7SIJNWB3ICIGND47XZH2}

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	2026-05-18T00:59:11.256438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b10b737f2425b60ed02419a3e7ef93e8e5a0bc6332986699131be281982fbb3

Aliases

arxiv: 0908.3861 · arxiv_version: 0908.3861v2 · doi: 10.48550/arxiv.0908.3861 · pith_short_12: LMILON7SIJNW · pith_short_16: LMILON7SIJNWB3IC · pith_short_8: LMILON7S

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/LMILON7SIJNWB3ICIGND47XZH2 \
  | 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: 5b10b737f2425b60ed02419a3e7ef93e8e5a0bc6332986699131be281982fbb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "920ab55688993285fa34c35bd7807e1b165c9895f1c6657a0bbf3544536fca9a",
    "cross_cats_sorted": [
      "cs.CV",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-26T16:44:42Z",
    "title_canon_sha256": "cd083dbdf4041da369e8fb97f15a1a4d9e7a31a5aa40c874ca507e4766199a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3861",
    "kind": "arxiv",
    "version": 2
  }
}