Pith Number

pith:WQLWMBDL

pith:2026:WQLWMBDLW4YQGIJ22ELX47YGJF

not attested not anchored not stored refs pending

Bridging the Semantic-Collaborative Gap: An Asymmetric Graph Architecture for Cold-Start Item Recommendation

Abdullah Alchihabi, Anh Truong, Effy Fang, Honghong Zhao, John Trenkle, Michael Tamir, YuanBo Chen

arxiv:2606.06225 v1 · 2026-06-04 · cs.IR · cs.AI · 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{WQLWMBDLW4YQGIJ22ELX47YGJF}

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	2026-06-05T01:15:38.374513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b41766046bb73103213ad1177e7f064973209ba652b10b54f0e17fec1c7d7788

Aliases

arxiv: 2606.06225 · arxiv_version: 2606.06225v1 · doi: 10.48550/arxiv.2606.06225 · pith_short_12: WQLWMBDLW4YQ · pith_short_16: WQLWMBDLW4YQGIJ2 · pith_short_8: WQLWMBDL

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/WQLWMBDLW4YQGIJ22ELX47YGJF \
  | 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: b41766046bb73103213ad1177e7f064973209ba652b10b54f0e17fec1c7d7788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a7b50a885007d41b74576f6c8e703ec923ca61428dde23ef92b3aaf0486812",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-04T14:35:57Z",
    "title_canon_sha256": "a39eea576d4f44169b7937a7d473e6999dc67581292df60128f12e0c7c1e8885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06225",
    "kind": "arxiv",
    "version": 1
  }
}