Pith Number

pith:USR5VYP4

pith:2016:USR5VYP45665XA2WXCTRJQ3VMV

not attested not anchored not stored refs pending

Training Region-based Object Detectors with Online Hard Example Mining

Abhinav Gupta, Abhinav Shrivastava, Ross Girshick

arxiv:1604.03540 v1 · 2016-04-12 · 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{USR5VYP45665XA2WXCTRJQ3VMV}

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	2026-05-18T01:17:13.215949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a3dae1fcefbddb8356b8a714c375657d5121a1c7fd1508a2dfbaa2bfe98943

Aliases

arxiv: 1604.03540 · arxiv_version: 1604.03540v1 · doi: 10.48550/arxiv.1604.03540 · pith_short_12: USR5VYP45665 · pith_short_16: USR5VYP45665XA2W · pith_short_8: USR5VYP4

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/USR5VYP45665XA2WXCTRJQ3VMV \
  | 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: a4a3dae1fcefbddb8356b8a714c375657d5121a1c7fd1508a2dfbaa2bfe98943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f003449df414fbe221b162c9425e3c397eac39b1ecad8eedf61060ecb9cef6cd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-12T19:44:13Z",
    "title_canon_sha256": "068f70be7949a4ced423bdb14a7eff529288964e60c26f3359e24ab5460ff3f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03540",
    "kind": "arxiv",
    "version": 1
  }
}