Pith Number

pith:X5BANZPP

pith:2011:X5BANZPPSXM6XWJBYR45RGM3D3

not attested not anchored not stored refs pending

Constant-time filtering using shiftable kernels

Kunal Narayan Chaudhury

arxiv:1107.4617 v4 · 2011-07-22 · cs.CV · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X5BANZPPSXM6XWJBYR45RGM3D3}

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	2026-05-18T00:58:43.384645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf4206e5ef95d9ebd921c479d8999b1ec75d32d78987f60f217b4a3028ae4336

Aliases

arxiv: 1107.4617 · arxiv_version: 1107.4617v4 · doi: 10.48550/arxiv.1107.4617 · pith_short_12: X5BANZPPSXM6 · pith_short_16: X5BANZPPSXM6XWJB · pith_short_8: X5BANZPP

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/X5BANZPPSXM6XWJBYR45RGM3D3 \
  | 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: bf4206e5ef95d9ebd921c479d8999b1ec75d32d78987f60f217b4a3028ae4336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dfe3d848f511438405117152dcc3fdbc78301b3bc279986e969da53a1315592",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-07-22T20:18:16Z",
    "title_canon_sha256": "aa260b36cd534a0b07535691eeaea72b312b408639dd6b18252742f29940260b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4617",
    "kind": "arxiv",
    "version": 4
  }
}