Pith Number

pith:L6ENMZGS

pith:2026:L6ENMZGSOIXPMGPL5QE3CXURBG

not attested not anchored not stored refs pending

Uncertainty-Calibrated Recommendations for Low-Active Users

Bob Junyi Zou, Qinglei Wang, Sai Li, Tianyun Sun, Wentao Guo

arxiv:2605.17788 v1 · 2026-05-18 · 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{L6ENMZGSOIXPMGPL5QE3CXURBG}

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	2026-05-20T00:04:58.368524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f88d664d2722ef619ebec09b15e9109b0b36aaee52807a0a2d7f03ed931701f

Aliases

arxiv: 2605.17788 · arxiv_version: 2605.17788v1 · doi: 10.48550/arxiv.2605.17788 · pith_short_12: L6ENMZGSOIXP · pith_short_16: L6ENMZGSOIXPMGPL · pith_short_8: L6ENMZGS

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/L6ENMZGSOIXPMGPL5QE3CXURBG \
  | 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: 5f88d664d2722ef619ebec09b15e9109b0b36aaee52807a0a2d7f03ed931701f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929966fe676739493008c1c8ff147d21f6e7d3d94a6717cdea06615be9360284",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-18T03:11:17Z",
    "title_canon_sha256": "423dbc59d6bc125fcd87ca52fc9c69fabe6afc3b80bdef2392e92bb50794a8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17788",
    "kind": "arxiv",
    "version": 1
  }
}