Pith Number

pith:S2RXFF3Z

pith:2026:S2RXFF3ZSBBAGBXIQSCQUSKM4G

not attested not anchored not stored refs pending

Pmeta-TLA: Backdoor Attacks for Speech Classification Models via Meta-Learning with Timbre Leakage Attack

Fen Xiao, Weiping Wen, Wenhan Yao, Xiarun Chen, Yueming Huang

arxiv:2607.01702 v1 · 2026-07-02 · cs.CR · cs.AI · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2RXFF3ZSBBAGBXIQSCQUSKM4G}

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	2026-07-03T01:17:27.210006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a372977990420306e884850a494ce1b690488c667a73c7993c37abe5fead8c

Aliases

arxiv: 2607.01702 · arxiv_version: 2607.01702v1 · doi: 10.48550/arxiv.2607.01702 · pith_short_12: S2RXFF3ZSBBA · pith_short_16: S2RXFF3ZSBBAGBXI · pith_short_8: S2RXFF3Z

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/S2RXFF3ZSBBAGBXIQSCQUSKM4G \
  | 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: 96a372977990420306e884850a494ce1b690488c667a73c7993c37abe5fead8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2785f5ebb1f6b691a8e017bf0390a2b0cef241a736ffee7e593c22d212f0b0f5",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SD"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-02T04:51:27Z",
    "title_canon_sha256": "acab2894fc4fed9f1003489faa3b3f35fb562f4074acb990c3f30f6ef886b15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01702",
    "kind": "arxiv",
    "version": 1
  }
}