Pith Number

pith:BQYNHEMT

pith:2025:BQYNHEMT4E2BGGQJV5WFP7LCOK

not attested not anchored not stored refs pending

What Can We Learn from Harry Potter? An Exploratory Study of Visual Representation Learning from Atypical Videos

Hongjun Wang, Jianbo Jiao, Qiming Huang, Qiyue Sun, Yang Yang

arxiv:2508.21770 v2 · 2025-08-29 · 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{BQYNHEMT4E2BGGQJV5WFP7LCOK}

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	2026-07-05T12:06:19.144613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c30d39193e134131a09af6c57fd6272b357a8b6d09d69c429e3c0def97872e1

Aliases

arxiv: 2508.21770 · arxiv_version: 2508.21770v2 · doi: 10.48550/arxiv.2508.21770 · pith_short_12: BQYNHEMT4E2B · pith_short_16: BQYNHEMT4E2BGGQJ · pith_short_8: BQYNHEMT

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/BQYNHEMT4E2BGGQJV5WFP7LCOK \
  | 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: 0c30d39193e134131a09af6c57fd6272b357a8b6d09d69c429e3c0def97872e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f76080597eb306f94ccfea9a85d80f00614af7c385d6241cfd3dd4d1f46a452e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-29T16:43:19Z",
    "title_canon_sha256": "5d3aacda514479dbfd835c94565346c9039c512f001c8215d1edc6b1b82bc821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21770",
    "kind": "arxiv",
    "version": 2
  }
}