Pith Number

pith:VFCIBSN7

pith:2021:VFCIBSN7IAJFEI5L5GML4QOZNT

not attested not anchored not stored refs pending

Using Social Media Background to Improve Cold-start Recommendation Deep Models

Takahiro Hara, Takuya Maekawa, Yihong Zhang

arxiv:2106.02256 v1 · 2021-06-04 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFCIBSN7IAJFEI5L5GML4QOZNT}

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	2026-07-05T02:46:17.366365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94480c9bf40125223abe998be41d96cfa8d560cf04901a97b7cb9d60f8a1d19

Aliases

arxiv: 2106.02256 · arxiv_version: 2106.02256v1 · doi: 10.48550/arxiv.2106.02256 · pith_short_12: VFCIBSN7IAJF · pith_short_16: VFCIBSN7IAJFEI5L · pith_short_8: VFCIBSN7

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/VFCIBSN7IAJFEI5L5GML4QOZNT \
  | 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: a94480c9bf40125223abe998be41d96cfa8d560cf04901a97b7cb9d60f8a1d19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c55ec9abb0e2ca6bac6fe346cc0ebe82bd72fdd795cac44635cd2dac6a64ebe",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-06-04T04:46:29Z",
    "title_canon_sha256": "099b1d28f41da8ffb84cbc1966686cfc1b7b6e20a3eeaedf0832d2199fc1ba51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02256",
    "kind": "arxiv",
    "version": 1
  }
}