Pith Number

pith:HOHCZUVE

pith:2023:HOHCZUVES3WPXRT6EITYGJ7YGY

not attested not anchored not stored refs pending

Limits of Predictability in Top-N Recommendation

Bin Guo, En Xu, Lina Yao, Ying Zhang, Zhiwen Yu

arxiv:2303.13091 v1 · 2023-03-23 · cs.IR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOHCZUVES3WPXRT6EITYGJ7YGY}

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	2026-07-05T05:53:58.137187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8e2cd2a496ecfbc67e22278327f8362b47982699d1dbace3b951f0f499ff85

Aliases

arxiv: 2303.13091 · arxiv_version: 2303.13091v1 · doi: 10.48550/arxiv.2303.13091 · pith_short_12: HOHCZUVES3WP · pith_short_16: HOHCZUVES3WPXRT6 · pith_short_8: HOHCZUVE

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/HOHCZUVES3WPXRT6EITYGJ7YGY \
  | 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: 3b8e2cd2a496ecfbc67e22278327f8362b47982699d1dbace3b951f0f499ff85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a5e61c45313ef21b29cccff76dcdb93cd986cb103c5b4ec5cef87608013ebaa",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-03-23T08:11:42Z",
    "title_canon_sha256": "7451b78febd5e1fd355786e3510301f4d79b52870093193e91efe4050a648a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13091",
    "kind": "arxiv",
    "version": 1
  }
}