Pith Number

pith:RJULYV4A

pith:2020:RJULYV4AMW4UCEBJAVLLI3D3SH

not attested not anchored not stored refs pending

A Re-visit of the Popularity Baseline in Recommender Systems

Aixin Sun, Chenliang Li, Jie Zhang, Yitong Ji

arxiv:2005.13829 v2 · 2020-05-28 · 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{RJULYV4AMW4UCEBJAVLLI3D3SH}

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	2026-07-05T01:07:14.293231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a68bc578065b94110290556b46c7b91cfc4def1a6da98f7d303cd0d4492b2b0

Aliases

arxiv: 2005.13829 · arxiv_version: 2005.13829v2 · doi: 10.48550/arxiv.2005.13829 · pith_short_12: RJULYV4AMW4U · pith_short_16: RJULYV4AMW4UCEBJ · pith_short_8: RJULYV4A

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/RJULYV4AMW4UCEBJAVLLI3D3SH \
  | 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: 8a68bc578065b94110290556b46c7b91cfc4def1a6da98f7d303cd0d4492b2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a35a712b8f8b988c13b50a21afe24bf6140581d522e773149ffb902383fc9851",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-05-28T08:04:40Z",
    "title_canon_sha256": "bbb207200dbe1d6f227ab65b84236312999043a27bf51d2f51547e2f3d9bc65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.13829",
    "kind": "arxiv",
    "version": 2
  }
}