Pith Number

pith:ULFXPXTY

pith:2026:ULFXPXTYNXHDWZRSCZKS236KUJ

not attested not anchored not stored refs pending

SphereVideo: Prototype-anchored Hyperspherical Boundary for Continual AI-generated Video Detection

Fei Li, Jingjing Chen, Xinghan Li, Yue Yu, Yu-Gang Jiang, Yuran Wang

arxiv:2608.01334 v1 · 2026-08-02 · 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{ULFXPXTYNXHDWZRSCZKS236KUJ}

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	2026-08-04T02:04:22.130146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2cb77de786dce3b663216552d6fcaa27a6f2290c68bd121ada1d906a36662ed

Aliases

arxiv: 2608.01334 · arxiv_version: 2608.01334v1 · doi: 10.48550/arxiv.2608.01334 · pith_short_12: ULFXPXTYNXHD · pith_short_16: ULFXPXTYNXHDWZRS · pith_short_8: ULFXPXTY

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/ULFXPXTYNXHDWZRSCZKS236KUJ \
  | 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: a2cb77de786dce3b663216552d6fcaa27a6f2290c68bd121ada1d906a36662ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba759c10610fae63a8ea473a146fd46bc441b1bd6cfca120bc4bb1a46f5c951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-02T15:54:54Z",
    "title_canon_sha256": "827cc303d39108bdf4e2ae068e1f95425e616e35d313189a51bf9a7bb7d429ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01334",
    "kind": "arxiv",
    "version": 1
  }
}