Pith Number

pith:GEEMHY33

pith:2025:GEEMHY33UYXFKVM5POAYQWCH3I

not attested not anchored not stored refs resolved

HunyuanVideo 1.5 Technical Report

Bing Wu, Bo Peng, Changlin Li, Chang Zou, Coopers Li, Duojun Huang, Fang Yang, Gu Gong, Guojian Xiao, Hao Tan, Jack Peng, Jiahe Tian, Jianbing Wu, Jiangfeng Xiong, Jiaxin Lin, Jie Jiang, Jie Liu, Jiesong Lian, Jihong Zhang, Kaihang Pan, Lei Wang, Lin Niu, Linus, Miles Yang, Mingtao Chen, Mingyang Chen, Mingzhe Zheng, Patrol, Peizhen Zhang, Peng Chen, Penghao Zhao, Qiangqiang Hu, Qi Tian, Qiuyong Xiao, Qi Yang, Rui Yuan, Runzhou Wu, Ryan Xu, Shanshan Sang, Shisheng Huang, Shuo Huang, Siruis Gong, Songtao Liu, Weijie Kong, Weiting Guo, Weiyan Wang, Wenzhi Sun, Xiang Yuan, Xianshun Ren, Xiao He, Xiaojia Chen, Xiaoyan Yuan, Xiaoyue Mi, Xiawei Hu, Xiele Wu, Xinchi Deng, Xin Li, Xuefei Zhe, Yang Li, Yanxin Long, Yepeng Zhang, Yifu Sun, Yiting Lu, Yitong Li, Yixuan Li, You Huang, Yuanbo Peng, Yuan Zhou, Yue Wu, Yuhang Deng, Yuhong Liu, Yu Tang, Zhao Zhong, Zhenyu Wang, Zhenzhi Lu, Zhichao Hu, Zhiguang Liu, Zhihe Yang, Zilin Yang, Zixiang Zhou, Zuozhuo Dai

An 8.3-billion-parameter model delivers state-of-the-art open-source video generation on consumer hardware.

arxiv:2511.18870 v2 · 2025-11-24 · cs.CV

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\usepackage{pith}
\pithnumber{GEEMHY33UYXFKVM5POAYQWCH3I}

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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.

Claims

C1strongest claim

this compact and proficient model establishes a new state-of-the-art among open-source video generation models

C2weakest assumption

That the internal experiments provide fair, comprehensive comparisons to prior open-source models without undisclosed data selection or evaluation biases.

C3one line summary

HunyuanVideo 1.5 delivers state-of-the-art open-source text-to-video and image-to-video generation with an 8.3B parameter DiT model featuring SSTA attention, glyph-aware encoding, and progressive training.

References

22 extracted · 22 resolved · 6 Pith anchors

[1] Kling 2.5 turbo 2025

[2] Google DeepMind. Veo 3.1.https://deepmind.google/technologies/veo/, 2025 2025

[3] OpenAI. Sora 2.https://openai.com/sora, 2025 2025

[4] HunyuanVideo: A Systematic Framework For Large Video Generative Models 2025 · arXiv:2412.03603

[5] Step-video-t2v tech- nical report: The practice, challenges, and future of video foundation model 2025

Formal links

2 machine-checked theorem links

Cited by

43 papers in Pith

Smart-Insertion-V: Photorealistic Video Insertion via a Closed-Loop Feedback Dual-Stream Framework

PhyAVBench: A Challenging Audio Physics-Sensitivity Benchmark for Physically Grounded Text-to-Audio-Video Generation

Delta Forcing: Trust Region Steering for Interactive Autoregressive Video Generation

Rebalancing Reference Frame Dominance to Improve Motion in Image-to-Video Models

Lance: Unified Multimodal Modeling by Multi-Task Synergy

Receipt and verification

First computed	2026-05-17T23:38:53.818228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3108c3e37ba62e55559d7b81885847da3e9ae82ec85eaeaa49e52e3b2602088b

Aliases

arxiv: 2511.18870 · arxiv_version: 2511.18870v2 · doi: 10.48550/arxiv.2511.18870 · pith_short_12: GEEMHY33UYXF · pith_short_16: GEEMHY33UYXFKVM5 · pith_short_8: GEEMHY33

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/GEEMHY33UYXFKVM5POAYQWCH3I \
  | 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: 3108c3e37ba62e55559d7b81885847da3e9ae82ec85eaeaa49e52e3b2602088b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7a84ef786f3ff82a9523ece279fcd44b32aca8adb7b7c2be07d749ac3f7a992",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-11-24T08:22:07Z",
    "title_canon_sha256": "dcbbc66a83b88876ae4664b2f29b18fa1653df68a5457e1a8cfe1a41e383e500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.18870",
    "kind": "arxiv",
    "version": 2
  }
}