Pith Number

pith:M4QFFR7Q

pith:2025:M4QFFR7QJTHVHDFIZSMI2AB3W7

not attested not anchored not stored refs pending

2-Tier SimCSE: Elevating BERT for Robust Sentence Embeddings

Junjin Wang, Yumeng Wang, Ziran Zhou

arxiv:2501.13758 v1 · 2025-01-23 · cs.CL · cs.AI · 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{M4QFFR7QJTHVHDFIZSMI2AB3W7}

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	2026-07-05T10:04:33.641255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

672052c7f04ccf538ca8cc988d003bb7e4bfde9e1cc064b56b7f4e1fbb35e6cc

Aliases

arxiv: 2501.13758 · arxiv_version: 2501.13758v1 · doi: 10.48550/arxiv.2501.13758 · pith_short_12: M4QFFR7QJTHV · pith_short_16: M4QFFR7QJTHVHDFI · pith_short_8: M4QFFR7Q

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/M4QFFR7QJTHVHDFIZSMI2AB3W7 \
  | 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: 672052c7f04ccf538ca8cc988d003bb7e4bfde9e1cc064b56b7f4e1fbb35e6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55afdb940f83928ca5f6402fc4074f10d67b3422eda7c803ad2ecf0d88178467",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-23T15:36:35Z",
    "title_canon_sha256": "5e92402e15dc4f597e9a64b2e7910d58dc2193da9fe25fb07579dd716d906c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13758",
    "kind": "arxiv",
    "version": 1
  }
}