Pith Number

pith:NPCDAVB7

pith:2025:NPCDAVB7VYAA4TL45WUBLD7F6T

not attested not anchored not stored refs pending

Controlled Personalization in Legacy Media Online Services: A Case Study in News Recommendation

Christoph Schmitz, Dietmar Jannach, Hanna Lind Jorgensen, Jacob Welander, Marlene Holzleitner, Stephan Leitner

arxiv:2510.09136 v2 · 2025-10-10 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPCDAVB7VYAA4TL45WUBLD7F6T}

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	2026-05-25T02:01:08.056340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc430543fae000e4d7ceda8158fe5f4d695ec1bd31a214512295c0d6cca038f

Aliases

arxiv: 2510.09136 · arxiv_version: 2510.09136v2 · doi: 10.48550/arxiv.2510.09136 · pith_short_12: NPCDAVB7VYAA · pith_short_16: NPCDAVB7VYAA4TL4 · pith_short_8: NPCDAVB7

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/NPCDAVB7VYAA4TL45WUBLD7F6T \
  | 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: 6bc430543fae000e4d7ceda8158fe5f4d695ec1bd31a214512295c0d6cca038f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e8055c09fb99245a737d9137f0d8a939ad785f400f9e17f6590ed2f90ab36a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-10-10T08:37:13Z",
    "title_canon_sha256": "907eb5b9dfa4b5ff22c3b0e1e54b901ec675dfacecd85ed0840ad661724443a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.09136",
    "kind": "arxiv",
    "version": 2
  }
}