Pith Number

pith:OPB6IIYM

pith:2022:OPB6IIYMS3WGT5CNAFJ2GLD7JY

not attested not anchored not stored refs pending

SPOT: Knowledge-Enhanced Language Representations for Information Extraction

Andrew Bartko, Chun-Nan Hsu, Ho-Cheol Kim, Jiacheng Li, Julian McAuley, Tyler Baldwin, Yannis Katsis

arxiv:2208.09625 v2 · 2022-08-20 · cs.CL · 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{OPB6IIYMS3WGT5CNAFJ2GLD7JY}

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	2026-07-05T05:09:21.417623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c3e4230c96ec69f44d0153a32c7f4e2f22233267ca95caae98865480a8d52f

Aliases

arxiv: 2208.09625 · arxiv_version: 2208.09625v2 · doi: 10.48550/arxiv.2208.09625 · pith_short_12: OPB6IIYMS3WG · pith_short_16: OPB6IIYMS3WGT5CN · pith_short_8: OPB6IIYM

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/OPB6IIYMS3WGT5CNAFJ2GLD7JY \
  | 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: 73c3e4230c96ec69f44d0153a32c7f4e2f22233267ca95caae98865480a8d52f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f49f74b8d1ffcfd9db37a89a86728f8154c16eaa05324f9d29d3c9e9be660e1b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-20T07:32:25Z",
    "title_canon_sha256": "36c8a3bdb14759a82ec0aafaf5b094d05c49c5b98ea8808341aad0eac1550a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09625",
    "kind": "arxiv",
    "version": 2
  }
}