Pith Number

pith:TOYVG7NC

pith:2019:TOYVG7NCL65OH4VPUZBPWL2RTV

not attested not anchored not stored refs pending

Signed Distance-based Deep Memory Recommender

Kyumin Lee, Thanh Tran, Xiangnan Kong, Xinyue Liu

arxiv:1905.00453 v1 · 2019-05-01 · 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{TOYVG7NCL65OH4VPUZBPWL2RTV}

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	2026-05-17T23:47:11.807411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb1537da25fbae3f2afa642fb2f519d7348239dc12a7b9e94d33f00f0112e48

Aliases

arxiv: 1905.00453 · arxiv_version: 1905.00453v1 · doi: 10.48550/arxiv.1905.00453 · pith_short_12: TOYVG7NCL65O · pith_short_16: TOYVG7NCL65OH4VP · pith_short_8: TOYVG7NC

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/TOYVG7NCL65OH4VPUZBPWL2RTV \
  | 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: 9bb1537da25fbae3f2afa642fb2f519d7348239dc12a7b9e94d33f00f0112e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a82715319ea88414b42478916981f57b591abd551b6b524e3e84f8d761def1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-05-01T19:07:22Z",
    "title_canon_sha256": "df198635f4a9f9c3a4636db853baa75389d9524aa6fe650f054081010deac13e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00453",
    "kind": "arxiv",
    "version": 1
  }
}