Pith Number

pith:CZB7LKJT

pith:2026:CZB7LKJT4QSE2VZ7KQWNMEARLR

not attested not anchored not stored refs pending

CaIRec: Calibrated Modality Imputation for Incomplete Multimodal Recommendation

Miaomiao Cai, Ruiyu Liu, See-kiong Ng, Xiaohao Liu, Yunshan Ma

arxiv:2607.26720 v1 · 2026-07-29 · 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{CZB7LKJT4QSE2VZ7KQWNMEARLR}

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	2026-07-30T01:22:04.208491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

1643f5a933e4244d573f542cd610115c553e8c5ab349b7e1ca20acd05b294c1e

Aliases

arxiv: 2607.26720 · arxiv_version: 2607.26720v1 · doi: 10.48550/arxiv.2607.26720 · pith_short_12: CZB7LKJT4QSE · pith_short_16: CZB7LKJT4QSE2VZ7 · pith_short_8: CZB7LKJT

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/CZB7LKJT4QSE2VZ7KQWNMEARLR \
  | 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: 1643f5a933e4244d573f542cd610115c553e8c5ab349b7e1ca20acd05b294c1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d979812523cf4d10e9bbbf67d74d87d03421acae134eecd2d9f57414b2d1d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-29T10:10:20Z",
    "title_canon_sha256": "263bc63933f0e8e07c78517f92469761d3fe4bb93ef3e297e40d4d8220cd53e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26720",
    "kind": "arxiv",
    "version": 1
  }
}