Pith Number

pith:D6ZH3EK4

pith:2025:D6ZH3EK4A3ATHOWBF3FPZNRCRG

not attested not anchored not stored refs pending

FreePCA: Integrating Consistency Information across Long-short Frames in Training-free Long Video Generation via Principal Component Analysis

Feng Zhao, Hu Yu, Jiangtong Tan, Jie Huang, Jie Xiao

arxiv:2505.01172 v1 · 2025-05-02 · 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{D6ZH3EK4A3ATHOWBF3FPZNRCRG}

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	2026-07-05T10:57:46.606248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fb27d915c06c133bac12ecafcb62289989368a5070e3147c3ac52556518c7ba

Aliases

arxiv: 2505.01172 · arxiv_version: 2505.01172v1 · doi: 10.48550/arxiv.2505.01172 · pith_short_12: D6ZH3EK4A3AT · pith_short_16: D6ZH3EK4A3ATHOWB · pith_short_8: D6ZH3EK4

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/D6ZH3EK4A3ATHOWBF3FPZNRCRG \
  | 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: 1fb27d915c06c133bac12ecafcb62289989368a5070e3147c3ac52556518c7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d22152dfdef5bfbd9a805e65f49bfeba001e5e428c95bce4af98bcfc629b2c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-02T10:27:58Z",
    "title_canon_sha256": "a75f233a06a547a7d64f0c62ea3a02e27fc2070404cf386b61a9d0a3c7210f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01172",
    "kind": "arxiv",
    "version": 1
  }
}