Pith Number

pith:JC46EOP2

pith:2026:JC46EOP2QJU7DAL62KU2SA3XYV

not attested not anchored not stored refs pending

HSD: Training-Free Acceleration for Document Parsing Vision-Language Models with Hierarchical Speculative Decoding

Bin Fu, Botian Shi, Hongliang Li, Junjun He, Lianwen Jin, Min Dou, Ming Hu, Pengyu Xie, Qi Qin, Shenglong Ye, Tianbin Li, Wenhai Wang, Wenhui Liao, Xinyu Cai, Yihao Liu, Yi Xin, Yufan Shen, Yu Qiao

arxiv:2602.12957 v3 · 2026-02-13 · 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{JC46EOP2QJU7DAL62KU2SA3XYV}

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	2026-06-30T02:17:15.944218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b9e239fa8269f1817ed2a9a90377c54288bfa7805371a92b96d557f864b583

Aliases

arxiv: 2602.12957 · arxiv_version: 2602.12957v3 · doi: 10.48550/arxiv.2602.12957 · pith_short_12: JC46EOP2QJU7 · pith_short_16: JC46EOP2QJU7DAL6 · pith_short_8: JC46EOP2

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/JC46EOP2QJU7DAL62KU2SA3XYV \
  | 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: 48b9e239fa8269f1817ed2a9a90377c54288bfa7805371a92b96d557f864b583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ddc8138acc8d5bd461617d5a6bb942ecd699d4f84044dc88c15e978ccad6675",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-13T14:22:10Z",
    "title_canon_sha256": "67d1c484237d4954a2b84c80d45561a88f582bd15a0a537614c3d7e16b3ac421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12957",
    "kind": "arxiv",
    "version": 3
  }
}