Pith Number

pith:XQIMI2Y2

pith:2019:XQIMI2Y2HT6DRX44HD4V6CN4OC

not attested not anchored not stored refs pending

Securing Tag-based recommender systems against profile injection attacks: A comparative study. (Extended Report)

Georgios K. Pitsilis, Helge Langseth, Heri Ramampiaro

arxiv:1901.08422 v1 · 2019-01-24 · cs.IR · cs.CL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQIMI2Y2HT6DRX44HD4V6CN4OC}

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	2026-05-17T23:55:35.499432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc10c46b1a3cfc38df9c38f95f09bc70aa21b241f5e790eac3b662e1faa347c0

Aliases

arxiv: 1901.08422 · arxiv_version: 1901.08422v1 · doi: 10.48550/arxiv.1901.08422 · pith_short_12: XQIMI2Y2HT6D · pith_short_16: XQIMI2Y2HT6DRX44 · pith_short_8: XQIMI2Y2

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/XQIMI2Y2HT6DRX44HD4V6CN4OC \
  | 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: bc10c46b1a3cfc38df9c38f95f09bc70aa21b241f5e790eac3b662e1faa347c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294d7223034d8226d5a66b19bcf084753d390b52b8ecc680f8f97306404f466d",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-24T14:20:11Z",
    "title_canon_sha256": "835a18063cac74dffe9f7dae85b439641a45fa5fe66f29de245efbeca1b0ad3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08422",
    "kind": "arxiv",
    "version": 1
  }
}