Pith Number

pith:CVR2VXBL

pith:2016:CVR2VXBLW5JSXWUEYRVD2YPJKD

not attested not anchored not stored refs pending

Extracting Implicit Social Relation for Social Recommendation Techniques in User Rating Prediction

Ali Movaghar, Elahe Ghalebi K., Hamidreza Mahyar, Mohammad Firouzi, Radu Grosu, Seyed Mohammad Taheri

arxiv:1612.01428 v2 · 2016-12-05 · cs.SI · 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{CVR2VXBLW5JSXWUEYRVD2YPJKD}

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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	2026-05-18T00:45:58.417952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1563aadc2bb7532bda84c46a3d61e950f34c61c040d54403036e2bb90fa56108

Aliases

arxiv: 1612.01428 · arxiv_version: 1612.01428v2 · doi: 10.48550/arxiv.1612.01428 · pith_short_12: CVR2VXBLW5JS · pith_short_16: CVR2VXBLW5JSXWUE · pith_short_8: CVR2VXBL

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/CVR2VXBLW5JSXWUEYRVD2YPJKD \
  | 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: 1563aadc2bb7532bda84c46a3d61e950f34c61c040d54403036e2bb90fa56108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4189f5c1c316e95176a53fda0446db21e48a08b897be22064cfd6baef20296e9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-12-05T16:47:02Z",
    "title_canon_sha256": "4219846eb91c02ad857204978463a592886ebdae8809462d128bad9a55ce0f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01428",
    "kind": "arxiv",
    "version": 2
  }
}