Pith Number

pith:MCBTYTZD

pith:2025:MCBTYTZDF6A7253MY3OUU2OMNV

not attested not anchored not stored refs pending

Negative Matters: Multi-Granularity Hard-Negative Synthesis and Anchor-Token-Aware Pooling for Enhanced Text Embeddings

Bowen Dong, Jianyong Wang, Ning Liu, Tengyu Pan, Xiuxing Li, Zhenyu Li, Zhichao Duan

arxiv:2509.00842 v1 · 2025-08-31 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCBTYTZDF6A7253MY3OUU2OMNV}

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	2026-07-05T12:02:23.525926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60833c4f232f81fd776cc6dd4a69cc6d5b3f1f95dbbeabdb71dd1acf025b7265

Aliases

arxiv: 2509.00842 · arxiv_version: 2509.00842v1 · doi: 10.48550/arxiv.2509.00842 · pith_short_12: MCBTYTZDF6A7 · pith_short_16: MCBTYTZDF6A7253M · pith_short_8: MCBTYTZD

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/MCBTYTZDF6A7253MY3OUU2OMNV \
  | 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: 60833c4f232f81fd776cc6dd4a69cc6d5b3f1f95dbbeabdb71dd1acf025b7265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d584ad0769fcdce7d13119f376917ff41f6d69d8eff1aaef9a71e2aada8d377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-31T13:24:48Z",
    "title_canon_sha256": "0e18c2448687d092c48e64855607bd29d618b993d7dadce34e168969c9d894cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00842",
    "kind": "arxiv",
    "version": 1
  }
}