Pith Number

pith:TRGTGNWB

pith:2026:TRGTGNWB7S2X3J6E4C2C6R4ZKI

not attested not anchored not stored refs pending

Contrastive Spectral Rectification: Test-Time Defense towards Zero-shot Adversarial Robustness of CLIP

Jie Zhang, Sen Nie, Shiguang Shan, Xilin Chen, Zhuo Wang

arxiv:2601.19210 v2 · 2026-01-27 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TRGTGNWB7S2X3J6E4C2C6R4ZKI}

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	2026-06-10T01:10:59.157305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c4d3336c1fcb57da7c4e0b42f4799522a02b496628814d2e980f0eb78a437ed

Aliases

arxiv: 2601.19210 · arxiv_version: 2601.19210v2 · doi: 10.48550/arxiv.2601.19210 · pith_short_12: TRGTGNWB7S2X · pith_short_16: TRGTGNWB7S2X3J6E · pith_short_8: TRGTGNWB

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/TRGTGNWB7S2X3J6E4C2C6R4ZKI \
  | 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: 9c4d3336c1fcb57da7c4e0b42f4799522a02b496628814d2e980f0eb78a437ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6704bf4fe58e58151d9d35036e5d6e1f35e5d603478eec789b28c8435a44b7dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-27T05:24:45Z",
    "title_canon_sha256": "a389468f6e2ffa948f30a2792a8c1f974a730e4534d182d7065ca00f84c3ad70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19210",
    "kind": "arxiv",
    "version": 2
  }
}