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Pith Number

pith:OV27SB36

pith:2018:OV27SB36YZCO2DBFT5WEWBRSJB
not attested not anchored not stored refs pending

Scientific Relation Extraction with Selectively Incorporated Concept Embeddings

Hannaneh Hajishirzi, Mari Ostendorf, Yi Luan

arxiv:1808.08643 v1 · 2018-08-26 · cs.IR · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OV27SB36YZCO2DBFT5WEWBRSJB}

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 2026-05-18T00:07:13.763536Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7575f9077ec644ed0c259f6c4b0632484043b9d6df0604f8ebf0ae44ae0b1906

Aliases

arxiv: 1808.08643 · arxiv_version: 1808.08643v1 · doi: 10.48550/arxiv.1808.08643 · pith_short_12: OV27SB36YZCO · pith_short_16: OV27SB36YZCO2DBF · pith_short_8: OV27SB36
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OV27SB36YZCO2DBFT5WEWBRSJB \
  | 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: 7575f9077ec644ed0c259f6c4b0632484043b9d6df0604f8ebf0ae44ae0b1906
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8fd4695d84c56141b21f438b66e5ab08be1044551359e76d794e399e56e60a1e",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-26T23:31:02Z",
    "title_canon_sha256": "1f4c094c2cbdad1d59726e679f0eb8e77dd62ead789dcd659a1763df589f76b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08643",
    "kind": "arxiv",
    "version": 1
  }
}