Pith Number

pith:UDYGJ3QL

pith:2026:UDYGJ3QLHI2QX4QJVSE3RUF4LW

not attested not anchored not stored refs pending

EVA-0: Test-Time Model Evolution with Only Two Forward Passes per Sample

Chunyan Miao, Geng Li, Guohao Chen, Jianfei Yang, Shilin Shan, Shuaicheng Niu, Yunbei Zhang

arxiv:2605.18867 v1 · 2026-05-15 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDYGJ3QLHI2QX4QJVSE3RUF4LW}

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	2026-05-20T00:06:29.384239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0f064ee0b3a350bf209ac89b8d0bc5d809b9aca9d3cb26d3743740e1c6ab805

Aliases

arxiv: 2605.18867 · arxiv_version: 2605.18867v1 · doi: 10.48550/arxiv.2605.18867 · pith_short_12: UDYGJ3QLHI2Q · pith_short_16: UDYGJ3QLHI2QX4QJ · pith_short_8: UDYGJ3QL

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/UDYGJ3QLHI2QX4QJVSE3RUF4LW \
  | 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: a0f064ee0b3a350bf209ac89b8d0bc5d809b9aca9d3cb26d3743740e1c6ab805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0048191272f643b4f2a9a23db7fde5bc852b1ac1dab2aa43d3400692b6af6471",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T09:26:02Z",
    "title_canon_sha256": "0728d6728c38cf8475e7e703c98d02584d9b3930b24a240262ea7b23adfd0bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18867",
    "kind": "arxiv",
    "version": 1
  }
}