Pith Number

pith:F5SOBU2I

pith:2021:F5SOBU2IYKWSQTYW4B7UX6NDS3

not attested not anchored not stored refs pending

Shallow Feature Matters for Weakly Supervised Object Localization

Jun Wei, Qin Wang, Sheng Wang, Shuguang Cui, S.Kevin Zhou, Zhen Li

arxiv:2108.00873 v1 · 2021-08-02 · 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{F5SOBU2IYKWSQTYW4B7UX6NDS3}

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	2026-07-05T03:02:27.770208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f64e0d348c2ad284f16e07f4bf9a396dd5d50612bdc97a19fdd57297a37f3ef

Aliases

arxiv: 2108.00873 · arxiv_version: 2108.00873v1 · doi: 10.48550/arxiv.2108.00873 · pith_short_12: F5SOBU2IYKWS · pith_short_16: F5SOBU2IYKWSQTYW · pith_short_8: F5SOBU2I

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/F5SOBU2IYKWSQTYW4B7UX6NDS3 \
  | 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: 2f64e0d348c2ad284f16e07f4bf9a396dd5d50612bdc97a19fdd57297a37f3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "691d6d4a5c3320f3725ed69552d1bb81a589d2aaaa6644c88666a470dc9ba809",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-02T13:16:48Z",
    "title_canon_sha256": "f7a95ffba85693c6463bb993fe4100c8fbb2ee1451d2ff9b2f181f489171a3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00873",
    "kind": "arxiv",
    "version": 1
  }
}