Pith Number

pith:DVA4QIRI

pith:2023:DVA4QIRIX5T44FEYPH6NOUTHWB

not attested not anchored not stored refs pending

Pre-training Multi-task Contrastive Learning Models for Scientific Literature Understanding

Hao Cheng, Jianfeng Gao, XiaoDong Liu, Ye-Yi Wang, Yu Zhang, Zhihong Shen

arxiv:2305.14232 v2 · 2023-05-23 · cs.CL · cs.DL · cs.IR · 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{DVA4QIRIX5T44FEYPH6NOUTHWB}

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	2026-07-05T07:03:25.339561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d41c82228bf67ce149879fcd75267b065e1efabe57d1ef3e448301988736abd

Aliases

arxiv: 2305.14232 · arxiv_version: 2305.14232v2 · doi: 10.48550/arxiv.2305.14232 · pith_short_12: DVA4QIRIX5T4 · pith_short_16: DVA4QIRIX5T44FEY · pith_short_8: DVA4QIRI

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/DVA4QIRIX5T44FEYPH6NOUTHWB \
  | 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: 1d41c82228bf67ce149879fcd75267b065e1efabe57d1ef3e448301988736abd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca241cff3cecf2001db49386bb905d5045d29cb5d831c837cbf38a6d2988da6d",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-05-23T16:47:22Z",
    "title_canon_sha256": "7c99b9596e55fec7ac9e0681a1aec27712b86985ddb797a712bb0553d101bdc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.14232",
    "kind": "arxiv",
    "version": 2
  }
}