Pith Number

pith:I2XTLPBV

pith:2012:I2XTLPBV2LQKX2KW4FSZJOEXI3

not attested not anchored not stored refs pending

Multi-Domain Collaborative Filtering

Bin Cao, Dit-Yan Yeung, Yu Zhang

arxiv:1203.3535 v1 · 2012-03-15 · 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{I2XTLPBV2LQKX2KW4FSZJOEXI3}

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	2026-05-18T03:59:59.776934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46af35bc35d2e0abe956e16594b89746e7140538dcada935b9b679f5bc379152

Aliases

arxiv: 1203.3535 · arxiv_version: 1203.3535v1 · doi: 10.48550/arxiv.1203.3535 · pith_short_12: I2XTLPBV2LQK · pith_short_16: I2XTLPBV2LQKX2KW · pith_short_8: I2XTLPBV

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/I2XTLPBV2LQKX2KW4FSZJOEXI3 \
  | 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: 46af35bc35d2e0abe956e16594b89746e7140538dcada935b9b679f5bc379152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc95f94f902846eef0f326d6aac372aff6a6777001ac92f48acd73d2da482de",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-03-15T11:17:56Z",
    "title_canon_sha256": "96df4a5745948b1dadb0bb3c7793d1f279ed5496d21219a77f67d82df2e3aa1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3535",
    "kind": "arxiv",
    "version": 1
  }
}