Pith Number

pith:2BDI7RYE

pith:2026:2BDI7RYEWHJNSKPJ3AZAPGH5LG

not attested not anchored not stored refs pending

Twins: Learn to Predict Unified Representations with Focal Loss

Bin Lin, Bohao Li, Hao Wang, Jian-Wei Zhang, Kaixiong Gong, Liefeng Bo, Miles Yang, Mingzhe Zheng, Xiangyu Yue, Xin Cai, Yunlong Lin, Zhao Zhong

arxiv:2607.22531 v1 · 2026-07-24 · 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{2BDI7RYEWHJNSKPJ3AZAPGH5LG}

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	2026-07-27T01:21:32.431687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0468fc704b1d2d929e9d8320798fd5992fa16a5b2a0d6ee7030045db322063f

Aliases

arxiv: 2607.22531 · arxiv_version: 2607.22531v1 · doi: 10.48550/arxiv.2607.22531 · pith_short_12: 2BDI7RYEWHJN · pith_short_16: 2BDI7RYEWHJNSKPJ · pith_short_8: 2BDI7RYE

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/2BDI7RYEWHJNSKPJ3AZAPGH5LG \
  | 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: d0468fc704b1d2d929e9d8320798fd5992fa16a5b2a0d6ee7030045db322063f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b764161a519f894329ae452578aaa1674f0b6068d855bfe2dad9fdde01f1b822",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-24T17:59:39Z",
    "title_canon_sha256": "d9c9e01f27b07e15ec4fd4edd0f871eb1af0d6d326e4ed6bbb17ddf1ce008e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22531",
    "kind": "arxiv",
    "version": 1
  }
}