Pith Number

pith:T2Z2G6GO

pith:2018:T2Z2G6GOOLNVDP6H6PKC2VCSEE

not attested not anchored not stored refs pending

Optimizing Sponsored Search Ranking Strategy by Deep Reinforcement Learning

Bo Wu, Kaipeng Liu, Liang Wang, Li He, Weinan Zhang

arxiv:1803.07347 v3 · 2018-03-20 · cs.IR · cs.AI · cs.LG

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

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	2026-05-18T00:20:13.320564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eb3a378ce72db51bfc7f3d42d54522129d440709681bcbca4313f76369ef574

Aliases

arxiv: 1803.07347 · arxiv_version: 1803.07347v3 · doi: 10.48550/arxiv.1803.07347 · pith_short_12: T2Z2G6GOOLNV · pith_short_16: T2Z2G6GOOLNVDP6H · pith_short_8: T2Z2G6GO

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/T2Z2G6GOOLNVDP6H6PKC2VCSEE \
  | 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: 9eb3a378ce72db51bfc7f3d42d54522129d440709681bcbca4313f76369ef574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb860f34c281aad81cb1b6156a50b061d7787ec943cadde59eaddd76bf922e33",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-03-20T10:18:26Z",
    "title_canon_sha256": "e2918141270bbd17989aded7296e516a3bd198ddeebc9e83ca861862eaa19639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07347",
    "kind": "arxiv",
    "version": 3
  }
}