Pith Number

pith:725AJZBG

pith:2019:725AJZBGFFCU6AEUA53OOOUAMV

not attested not anchored not stored refs pending

Matrix embedding method in match for session-based recommendation

Anxiang Zeng, Kangle Wu, Qizhi Zhang, Yi Lin, Yongliang Li

arxiv:1908.10180 v1 · 2019-08-27 · cs.LG · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{725AJZBGFFCU6AEUA53OOOUAMV}

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	2026-07-04T23:59:54.650416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feba04e42629454f00940776e73a806563572e117e9c98bc949fc7c86d35217b

Aliases

arxiv: 1908.10180 · arxiv_version: 1908.10180v1 · doi: 10.48550/arxiv.1908.10180 · pith_short_12: 725AJZBGFFCU · pith_short_16: 725AJZBGFFCU6AEU · pith_short_8: 725AJZBG

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/725AJZBGFFCU6AEUA53OOOUAMV \
  | 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: feba04e42629454f00940776e73a806563572e117e9c98bc949fc7c86d35217b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363e451cd173577e207d41b3739e0877d5572010440c1c3f80dd748b74265ba1",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-08-27T13:18:51Z",
    "title_canon_sha256": "ecbc7552ba9290d2ad4e3222fcdfb290e42df9551872dbd363fe0aff0760f174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10180",
    "kind": "arxiv",
    "version": 1
  }
}