Pith Number

pith:XXSPBGXH

pith:2018:XXSPBGXH6EMVPN2TQ2FUOMOEJY

not attested not anchored not stored refs pending

Image Posterization Using Fuzzy Logic and Bilateral Filter

Mahmoud Afifi

arxiv:1802.01009 v1 · 2018-02-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXSPBGXH6EMVPN2TQ2FUOMOEJY}

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	2026-05-18T00:24:27.626699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde4f09ae7f11957b753868b4731c44e349253d7a327f55c731b1fb1765dbb9e

Aliases

arxiv: 1802.01009 · arxiv_version: 1802.01009v1 · doi: 10.48550/arxiv.1802.01009 · pith_short_12: XXSPBGXH6EMV · pith_short_16: XXSPBGXH6EMVPN2T · pith_short_8: XXSPBGXH

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/XXSPBGXH6EMVPN2TQ2FUOMOEJY \
  | 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: bde4f09ae7f11957b753868b4731c44e349253d7a327f55c731b1fb1765dbb9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d664b9ddd4f82b9f977adca9dffbf61ca10827eaebceb7ae9d708c5139991c0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-03T17:57:22Z",
    "title_canon_sha256": "735ad5dfdd2c349b4a0a2ff911495929f42750c6bde05544f64173c4f67d8735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01009",
    "kind": "arxiv",
    "version": 1
  }
}