Pith Number

pith:6NQMKHWH

pith:2019:6NQMKHWHCTF5KUF57FBB7SYFPK

not attested not anchored not stored refs pending

WSOD^2: Learning Bottom-up and Top-down Objectness Distillation for Weakly-supervised Object Detection

Bei Liu, Hongyang Chao, Jianlong Fu, Lei Zhang, Zhaoyang Zeng

arxiv:1909.04972 v1 · 2019-09-11 · 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{6NQMKHWHCTF5KUF57FBB7SYFPK}

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	2026-07-05T00:04:01.935540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f360c51ec714cbd550bdf9421fcb057abb34cfb9792dc37a9f7ed154243f0387

Aliases

arxiv: 1909.04972 · arxiv_version: 1909.04972v1 · doi: 10.48550/arxiv.1909.04972 · pith_short_12: 6NQMKHWHCTF5 · pith_short_16: 6NQMKHWHCTF5KUF5 · pith_short_8: 6NQMKHWH

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/6NQMKHWHCTF5KUF57FBB7SYFPK \
  | 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: f360c51ec714cbd550bdf9421fcb057abb34cfb9792dc37a9f7ed154243f0387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e89ae44d180ca5de5c101dc7bcb17eab43739444ab4938548570285c39cef37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-11T11:08:55Z",
    "title_canon_sha256": "acd04f47d6b8b156f59914a0b505fc467c6d221dffa0b591e47197a966243cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04972",
    "kind": "arxiv",
    "version": 1
  }
}