Pith Number

pith:Z3MPYWXO

pith:2021:Z3MPYWXO22MH2AJ62JABMAC4N7

not attested not anchored not stored refs pending

Two Training Strategies for Improving Relation Extraction over Universal Graph

Kentaro Inui, Naoya Inoue, Qin Dai, Ryo Takahashi

arxiv:2102.06540 v2 · 2021-02-12 · 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{Z3MPYWXO22MH2AJ62JABMAC4N7}

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	2026-07-05T02:37:57.852786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced8fc5aeed6987d013ed24016005c6fd1488b1135056a6ed20858adcaceefc8

Aliases

arxiv: 2102.06540 · arxiv_version: 2102.06540v2 · doi: 10.48550/arxiv.2102.06540 · pith_short_12: Z3MPYWXO22MH · pith_short_16: Z3MPYWXO22MH2AJ6 · pith_short_8: Z3MPYWXO

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/Z3MPYWXO22MH2AJ62JABMAC4N7 \
  | 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: ced8fc5aeed6987d013ed24016005c6fd1488b1135056a6ed20858adcaceefc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b6bb3ef7d65c9e1635ef757f299c3048216ae38d9fa183202350973e54eb2e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-12T14:09:35Z",
    "title_canon_sha256": "b7ff21e7e85b60313b8ae55cd3c7c42e77537e84e1fe2ff57bb1c11900ae62d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06540",
    "kind": "arxiv",
    "version": 2
  }
}