Pith Number

pith:RU3ZA5FC

pith:2025:RU3ZA5FC3OCXFORDYHYA2LCLPV

not attested not anchored not stored refs pending

Content filtering methods for music recommendation: A review

Abhishek K. Umrawal, Terence Zeng

arxiv:2507.02282 v1 · 2025-07-03 · cs.IR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RU3ZA5FC3OCXFORDYHYA2LCLPV}

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	2026-07-05T11:31:15.122652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d379074a2db8572ba23c1f00d2c4b7d6c0356ce45f23e2b4aaa28717cdc1a50

Aliases

arxiv: 2507.02282 · arxiv_version: 2507.02282v1 · doi: 10.48550/arxiv.2507.02282 · pith_short_12: RU3ZA5FC3OCX · pith_short_16: RU3ZA5FC3OCXFORD · pith_short_8: RU3ZA5FC

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/RU3ZA5FC3OCXFORDYHYA2LCLPV \
  | 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: 8d379074a2db8572ba23c1f00d2c4b7d6c0356ce45f23e2b4aaa28717cdc1a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48fef63ce5e1bcd10d52de008c8cda0b8af472fef630a9eb5ebca501ac2ea436",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-03T03:44:20Z",
    "title_canon_sha256": "e3bcce5df41b1335c6920d8d519ae05d10cdc26fd3993a2662b596a85fb21fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02282",
    "kind": "arxiv",
    "version": 1
  }
}