Pith Number

pith:WLVAXFT2

pith:2018:WLVAXFT22XMLSKXA4UP35TPCNE

not attested not anchored not stored refs pending

Open-world Learning and Application to Product Classification

Bing Liu, Hu Xu, Lei Shu, P. Yu

arxiv:1809.06004 v2 · 2018-09-17 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLVAXFT22XMLSKXA4UP35TPCNE}

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	2026-05-17T23:52:15.582783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ea0b967ad5d8b92ae0e51fbecde2693eee8647ded872f8e10ff6e407c77333

Aliases

arxiv: 1809.06004 · arxiv_version: 1809.06004v2 · doi: 10.48550/arxiv.1809.06004 · pith_short_12: WLVAXFT22XML · pith_short_16: WLVAXFT22XMLSKXA · pith_short_8: WLVAXFT2

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/WLVAXFT22XMLSKXA4UP35TPCNE \
  | 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: b2ea0b967ad5d8b92ae0e51fbecde2693eee8647ded872f8e10ff6e407c77333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dce8614fd4bc449292c8d1e75321e4073a3d6e192f345efd70a4e132ea2b1f2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-17T03:08:58Z",
    "title_canon_sha256": "65f31f457a23c995c1314285e961f14b238918a153dcc6ab1602e8c1784b2a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06004",
    "kind": "arxiv",
    "version": 2
  }
}