Pith Number

pith:XIFERH4B

pith:2021:XIFERH4BKS6HW7SOLJXEN42CET

not attested not anchored not stored refs pending

Spectral Roll-off Points Variations: Exploring Useful Information in Feature Maps by Its Variations

Guozheng Liu, Peiyao Li, Wenjing Shan, Yunkai Yu, Yuyang You, Zhicheng Yang, Zhihong Yang

arxiv:2102.00369 v2 · 2021-01-31 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIFERH4BKS6HW7SOLJXEN42CET}

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	2026-07-05T09:26:06.107914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0a489f8154bc7b7e4e5a6e46f34224e3815680aa3fc5c0641c48ed34f89cf7

Aliases

arxiv: 2102.00369 · arxiv_version: 2102.00369v2 · doi: 10.48550/arxiv.2102.00369 · pith_short_12: XIFERH4BKS6H · pith_short_16: XIFERH4BKS6HW7SO · pith_short_8: XIFERH4B

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/XIFERH4BKS6HW7SOLJXEN42CET \
  | 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: ba0a489f8154bc7b7e4e5a6e46f34224e3815680aa3fc5c0641c48ed34f89cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3809203587651da584d45e8cccd2e74526c8a516ccdfe6b4d46013d614a926",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-31T03:49:51Z",
    "title_canon_sha256": "6882c5ad9112694232b11e8f2d64c0a8fc365e7841988c7f1c62e4d084af2315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00369",
    "kind": "arxiv",
    "version": 2
  }
}