Pith Number

pith:R7VA3BG3

pith:2026:R7VA3BG3QKCE7J4CFEMW6VQOHU

not attested not anchored not stored refs pending

Denoising Implicit Feedback for Cold-start Recommendation

Gaode Chen, Jun Zhang, Rui Huang, Ruina Sun, Shicheng Wang, Shikun Li, Shiming Ge, Shipeng Li, Xinghua Zhang, Yinjie Jiang, Yunze Luo

arxiv:2606.19658 v1 · 2026-06-17 · cs.AI · cs.IR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7VA3BG3QKCE7J4CFEMW6VQOHU}

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	2026-06-19T16:12:31.482600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fea0d84db82844fa78229196f560e3d21d763731f187d21ac14badbaf44801c

Aliases

arxiv: 2606.19658 · arxiv_version: 2606.19658v1 · doi: 10.48550/arxiv.2606.19658 · pith_short_12: R7VA3BG3QKCE · pith_short_16: R7VA3BG3QKCE7J4C · pith_short_8: R7VA3BG3

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/R7VA3BG3QKCE7J4CFEMW6VQOHU \
  | 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: 8fea0d84db82844fa78229196f560e3d21d763731f187d21ac14badbaf44801c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe43ce201ce3fcd81d1ef0c7629e64a23fc16ef1cc81656c3b30b66de006a6e9",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-17T23:50:45Z",
    "title_canon_sha256": "dd6af1d0e6351e8d108ae69515209daa784b1fc74389081bdf1cbecaa93154f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19658",
    "kind": "arxiv",
    "version": 1
  }
}