Pith Number

pith:DWOGSBRY

pith:2022:DWOGSBRYCVHCN6YAI5GP5CN465

not attested not anchored not stored refs pending

A Dynamic Meta-Learning Model for Time-Sensitive Cold-Start Recommendations

Ervine Zheng, Krishna Prasad Neupane, Qi Yu, Yu Kong

arxiv:2204.00970 v1 · 2022-04-03 · cs.IR · 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{DWOGSBRYCVHCN6YAI5GP5CN465}

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	2026-07-05T04:11:13.866774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9c690638154e26fb00474cfe89bcf76250c3a7fb4f173b178750500119d893

Aliases

arxiv: 2204.00970 · arxiv_version: 2204.00970v1 · doi: 10.48550/arxiv.2204.00970 · pith_short_12: DWOGSBRYCVHC · pith_short_16: DWOGSBRYCVHCN6YA · pith_short_8: DWOGSBRY

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/DWOGSBRYCVHCN6YAI5GP5CN465 \
  | 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: 1d9c690638154e26fb00474cfe89bcf76250c3a7fb4f173b178750500119d893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db58269ad547c8c2860c420bd3a55ec345a19af21fad7aca92344ff1366ae90d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-03T02:04:12Z",
    "title_canon_sha256": "d159a096cd4be30d5e9bdfb442a8d24e3740f62513dcb1355af53d2d57ce062a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00970",
    "kind": "arxiv",
    "version": 1
  }
}