Pith Number

pith:R77Q45TY

pith:2019:R77Q45TYVDBWJZO2N7HBJNZHG3

not attested not anchored not stored refs pending

Class Activation Map generation by Multiple Level Class Grouping and Orthogonal Constraint

Fanman Meng, Hongliang Li, Kaixu Huang, King N.Ngan, Qingbo Wu, Shuai Chen

arxiv:1909.09839 v1 · 2019-09-21 · 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{R77Q45TYVDBWJZO2N7HBJNZHG3}

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	2026-07-05T00:06:14.766267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fff0e7678a8c364e5da6fce14b72736e0e7b00dbdba7a62bc5ee05ed65a7b7d

Aliases

arxiv: 1909.09839 · arxiv_version: 1909.09839v1 · doi: 10.48550/arxiv.1909.09839 · pith_short_12: R77Q45TYVDBW · pith_short_16: R77Q45TYVDBWJZO2 · pith_short_8: R77Q45TY

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/R77Q45TYVDBWJZO2N7HBJNZHG3 \
  | 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: 8fff0e7678a8c364e5da6fce14b72736e0e7b00dbdba7a62bc5ee05ed65a7b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf4ceb6fa641a7a4acfca98f8b963e7e3bc91aed49b4c8f743eac73f721afb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-21T14:59:09Z",
    "title_canon_sha256": "98ab190efa807decd40316efb07da810dc8b79ee25afbf26da2b886f0ea7c57f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09839",
    "kind": "arxiv",
    "version": 1
  }
}