Pith Number

pith:WYP7WW4T

pith:2011:WYP7WW4TSEROUVXQF2UCL66GW5

not attested not anchored not stored refs pending

Content-Based Spam Filtering on Video Sharing Social Networks

Antonio da Luz, Arnaldo Araujo, Eduardo Valle

arxiv:1104.5284 v1 · 2011-04-28 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYP7WW4TSEROUVXQF2UCL66GW5}

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	2026-05-18T04:23:21.815030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b61ffb5b939122ea56f02ea825fbc6b7566bd0b17e76058a1a4448a709fe37d0

Aliases

arxiv: 1104.5284 · arxiv_version: 1104.5284v1 · doi: 10.48550/arxiv.1104.5284 · pith_short_12: WYP7WW4TSERO · pith_short_16: WYP7WW4TSEROUVXQ · pith_short_8: WYP7WW4T

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/WYP7WW4TSEROUVXQF2UCL66GW5 \
  | 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: b61ffb5b939122ea56f02ea825fbc6b7566bd0b17e76058a1a4448a709fe37d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba89bd2655990081e81cd6715af685b1276fee29bc2c84c723ebf7667b1e922",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-04-28T03:16:42Z",
    "title_canon_sha256": "baddb798b5a2aa0d619ae731193558c96ff37e93cb99e0d0ceb00788548dd6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5284",
    "kind": "arxiv",
    "version": 1
  }
}