Pith Number

pith:3PLDDUSE

pith:2017:3PLDDUSEDNLCHYNEXUAZ3O6KNN

not attested not anchored not stored refs pending

A Context-Aware User-Item Representation Learning for Item Recommendation

Bolong Zheng, Chenliang Li, Cong Quan, Libing Wu, Qian Wang

arxiv:1712.02342 v5 · 2017-12-06 · cs.IR

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	2026-05-18T00:27:04.308253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbd631d2441b5623e1a4bd019dbbca6b4220d07543629b3389f7947666caedea

Aliases

arxiv: 1712.02342 · arxiv_version: 1712.02342v5 · doi: 10.48550/arxiv.1712.02342 · pith_short_12: 3PLDDUSEDNLC · pith_short_16: 3PLDDUSEDNLCHYNE · pith_short_8: 3PLDDUSE

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/3PLDDUSEDNLCHYNEXUAZ3O6KNN \
  | 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: dbd631d2441b5623e1a4bd019dbbca6b4220d07543629b3389f7947666caedea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b78ea81ab6a50e940976275dec329114d653790070d6d189902494e78ac3de64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-12-06T08:47:48Z",
    "title_canon_sha256": "fc03b9ec14b6d4f83823bfbed02e489554beb8333676a3dfc1bbd87735543bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02342",
    "kind": "arxiv",
    "version": 5
  }
}