Pith Number

pith:7VJU5WYD

pith:2021:7VJU5WYDQOUF6NVXY3BKAAAXYK

not attested not anchored not stored refs pending

BulletTrain: Accelerating Robust Neural Network Training via Boundary Example Mining

Chuan Guo, G. Edward Suh, Weizhe Hua, Yichi Zhang, Zhiru Zhang

arxiv:2109.14707 v2 · 2021-09-29 · cs.LG · cs.AI · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VJU5WYDQOUF6NVXY3BKAAAXYK}

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	2026-07-05T03:37:46.252817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd534edb0383a85f36b7c6c2a00017c294dfc8c943c7f739427b4fcf724d5582

Aliases

arxiv: 2109.14707 · arxiv_version: 2109.14707v2 · doi: 10.48550/arxiv.2109.14707 · pith_short_12: 7VJU5WYDQOUF · pith_short_16: 7VJU5WYDQOUF6NVX · pith_short_8: 7VJU5WYD

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/7VJU5WYDQOUF6NVXY3BKAAAXYK \
  | 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: fd534edb0383a85f36b7c6c2a00017c294dfc8c943c7f739427b4fcf724d5582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "935dd664371c82f49167606910771fff216537a22ea16d5bc0406b9b48706355",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-29T20:32:42Z",
    "title_canon_sha256": "d0a2517d559de09f2468696b4228b08af5e52da4c4f400674406250a447e078b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14707",
    "kind": "arxiv",
    "version": 2
  }
}