Pith Number

pith:E4XPP4ZZ

pith:2026:E4XPP4ZZI2TREIVD5LG5D6PFYF

not attested not anchored not stored refs pending

Awakening the Hydra: Stabilizing Multi-Concept Backdoor Injection in Text-to-Image Diffusion Models

Chengcheng Zhu, Chuang Ma, Jiale Zhang, Kai Wang, Songze Li

arxiv:2605.19698 v1 · 2026-05-19 · cs.CR · 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{E4XPP4ZZI2TREIVD5LG5D6PFYF}

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	2026-05-20T01:05:58.182600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272ef7f33946a71222a3eacdd1f9e5c17825c2b115b6aa16a7d24e9098f7f5bf

Aliases

arxiv: 2605.19698 · arxiv_version: 2605.19698v1 · doi: 10.48550/arxiv.2605.19698 · pith_short_12: E4XPP4ZZI2TR · pith_short_16: E4XPP4ZZI2TREIVD · pith_short_8: E4XPP4ZZ

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/E4XPP4ZZI2TREIVD5LG5D6PFYF \
  | 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: 272ef7f33946a71222a3eacdd1f9e5c17825c2b115b6aa16a7d24e9098f7f5bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8557be37a9692be2d37d1505dfd0207402d327ba8513e791c973c70d882c153",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-19T11:36:45Z",
    "title_canon_sha256": "dbcbed85ffc6564a04f4eadac928532153ac6970571edb1dc09acd7ed090ff8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19698",
    "kind": "arxiv",
    "version": 1
  }
}