Pith Number

pith:HK6RAE4A

pith:2018:HK6RAE4ATINVQGQC3HO2WZORMA

not attested not anchored not stored refs pending

Graph-Based Recommendation System

Kaige Yang, Laura Toni

arxiv:1808.00004 v1 · 2018-07-31 · cs.IR · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK6RAE4ATINVQGQC3HO2WZORMA}

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	2026-05-18T00:09:08.991289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3abd1013809a1b581a02d9ddab65d160303a7f2ab85c64aca434c7d17ffc9ecd

Aliases

arxiv: 1808.00004 · arxiv_version: 1808.00004v1 · doi: 10.48550/arxiv.1808.00004 · pith_short_12: HK6RAE4ATINV · pith_short_16: HK6RAE4ATINVQGQC · pith_short_8: HK6RAE4A

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/HK6RAE4ATINVQGQC3HO2WZORMA \
  | 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: 3abd1013809a1b581a02d9ddab65d160303a7f2ab85c64aca434c7d17ffc9ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86b35773ef223aa75a5b4812e8b1ad90727786dd3a0591ddb9ce9c6b3c227c1d",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-31T14:16:54Z",
    "title_canon_sha256": "6214a2e623a6a640b9473a2ed276f7d051130eb049deed77bbd69af3634884b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00004",
    "kind": "arxiv",
    "version": 1
  }
}