Pith Number

pith:WZK72IBH

pith:2018:WZK72IBHMD4BBZ6ACE5SAN45DT

not attested not anchored not stored refs pending

Multi-task Learning with Sample Re-weighting for Machine Reading Comprehension

Jianfeng Gao, Jingjing Liu, XiaoDong Liu, Yelong Shen, Yichong Xu

arxiv:1809.06963 v3 · 2018-09-18 · cs.CL · 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{WZK72IBHMD4BBZ6ACE5SAN45DT}

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	2026-05-17T23:49:52.522218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b655fd202760f810e7c0113b20379d1cdfb1a805ee363c03f48f9efc97f11deb

Aliases

arxiv: 1809.06963 · arxiv_version: 1809.06963v3 · doi: 10.48550/arxiv.1809.06963 · pith_short_12: WZK72IBHMD4B · pith_short_16: WZK72IBHMD4BBZ6A · pith_short_8: WZK72IBH

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/WZK72IBHMD4BBZ6ACE5SAN45DT \
  | 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: b655fd202760f810e7c0113b20379d1cdfb1a805ee363c03f48f9efc97f11deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f975985938e23276e18d79292311e4c62eb36896dda387973a4b23192cad260",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-18T23:44:03Z",
    "title_canon_sha256": "cb554436aec480b13f7ca8ff2128762fa1e3f797dffaa030cb7d98f2975c4540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06963",
    "kind": "arxiv",
    "version": 3
  }
}