Pith Number

pith:JPLGWNIR

pith:2021:JPLGWNIRSXI3ACAUTVAVMXIA4K

not attested not anchored not stored refs pending

Improving BERT Pretraining with Syntactic Supervision

Gijs Wijnholds, Giorgos Tziafas, Konstantinos Kogkalidis, Michael Moortgat

arxiv:2104.10516 v1 · 2021-04-21 · 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{JPLGWNIRSXI3ACAUTVAVMXIA4K}

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	2026-07-05T02:34:03.301465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd66b351195d1b008149d41565d00e2aaf70662ed23fae42551315eb24289a6

Aliases

arxiv: 2104.10516 · arxiv_version: 2104.10516v1 · doi: 10.48550/arxiv.2104.10516 · pith_short_12: JPLGWNIRSXI3 · pith_short_16: JPLGWNIRSXI3ACAU · pith_short_8: JPLGWNIR

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/JPLGWNIRSXI3ACAUTVAVMXIA4K \
  | 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: 4bd66b351195d1b008149d41565d00e2aaf70662ed23fae42551315eb24289a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d11b18c56419a782404f1fe5f00343876f9fee0c6423c0398f031517fb23e6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-21T13:15:58Z",
    "title_canon_sha256": "6c903bcac8309b614f002fb2ce515e85fb8264dfd098133590ef868346e2beec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10516",
    "kind": "arxiv",
    "version": 1
  }
}