Pith Number

pith:FNROPZZ4

pith:2021:FNROPZZ4FY23TK6IKQG6UQMMLS

not attested not anchored not stored refs pending

Seminar Learning for Click-Level Weakly Supervised Semantic Segmentation

Feng Zheng, Hong Cai Chen, Hongjun Chen, Jinbao Wang, Ling Shao, Rongrong Ji, Xiantong Zhen

arxiv:2108.13393 v1 · 2021-08-30 · 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{FNROPZZ4FY23TK6IKQG6UQMMLS}

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	2026-07-05T03:09:53.339691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b62e7e73c2e35b9abc8540dea418c5ca555784c1967aabfdcb63b23ed86fca2

Aliases

arxiv: 2108.13393 · arxiv_version: 2108.13393v1 · doi: 10.48550/arxiv.2108.13393 · pith_short_12: FNROPZZ4FY23 · pith_short_16: FNROPZZ4FY23TK6I · pith_short_8: FNROPZZ4

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/FNROPZZ4FY23TK6IKQG6UQMMLS \
  | 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: 2b62e7e73c2e35b9abc8540dea418c5ca555784c1967aabfdcb63b23ed86fca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37794f24a35d9016a9e7398611d5d0270d108bcceba864c339d923627a8d27b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-30T17:27:43Z",
    "title_canon_sha256": "575613b4a7380b400b5b125b0113c90dc65562da28c6741d873d8e926d37b2ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13393",
    "kind": "arxiv",
    "version": 1
  }
}