Pith Number

pith:RS7OIBLI

pith:2018:RS7OIBLIGHTMHKPYNZGJURIOHG

not attested not anchored not stored refs pending

Recommender Systems with Characterized Social Regularization

Chen Gao, Tzu-Heng Lin, Yong Li

arxiv:1809.01580 v1 · 2018-09-05 · 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{RS7OIBLIGHTMHKPYNZGJURIOHG}

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	2026-05-18T00:06:27.196550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cbee4056831e6c3a9f86e4c9a450e39905549c9fb88318ddef3da103f3dc749

Aliases

arxiv: 1809.01580 · arxiv_version: 1809.01580v1 · doi: 10.48550/arxiv.1809.01580 · pith_short_12: RS7OIBLIGHTM · pith_short_16: RS7OIBLIGHTMHKPY · pith_short_8: RS7OIBLI

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/RS7OIBLIGHTMHKPYNZGJURIOHG \
  | 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: 8cbee4056831e6c3a9f86e4c9a450e39905549c9fb88318ddef3da103f3dc749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5f8d9eeba5110d253a89cb7275a38376494695e9328c198cefd0fa9f11bb9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-09-05T15:34:03Z",
    "title_canon_sha256": "e2b64c7a9c35b6491da5531c9e0296192b07ba3f4a1d9656d8afa876267628e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01580",
    "kind": "arxiv",
    "version": 1
  }
}