Pith Number

pith:JC4ID33K

pith:2017:JC4ID33KTCC7SS2ANAKEY6DM2T

not attested not anchored not stored refs pending

Evaluating Music Recommender Systems for Groups

Carsten Eickhoff, Zsolt Mezei

arxiv:1707.09790 v1 · 2017-07-31 · cs.AI · cs.HC · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JC4ID33KTCC7SS2ANAKEY6DM2T}

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	2026-05-18T00:39:08.234000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b881ef6a9885f94b4068144c786cd4ffde4ec15d6ddec83004131bc117cd05

Aliases

arxiv: 1707.09790 · arxiv_version: 1707.09790v1 · doi: 10.48550/arxiv.1707.09790 · pith_short_12: JC4ID33KTCC7 · pith_short_16: JC4ID33KTCC7SS2A · pith_short_8: JC4ID33K

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/JC4ID33KTCC7SS2ANAKEY6DM2T \
  | 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: 48b881ef6a9885f94b4068144c786cd4ffde4ec15d6ddec83004131bc117cd05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d566b4e1b1d45645c47a51161b7a259345890558ca6683302340e00bc87ea92b",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-07-31T10:00:55Z",
    "title_canon_sha256": "1c2bb0455cb756545c925e5536ad2d5f8ebb5efffbac6de7204ee82b1649031c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09790",
    "kind": "arxiv",
    "version": 1
  }
}