Pith Number

pith:BPRS45AR

pith:2021:BPRS45ARI2VCHIDLXI66KTIF3W

not attested not anchored not stored refs pending

AutoBERT-Zero: Evolving BERT Backbone from Scratch

Hang Xu, Han Shi, Jiahui Gao, Philip L.H. Yu, Xiaodan Liang, Xiaozhe Ren, Xin Jiang, Zhenguo Li

arxiv:2107.07445 v2 · 2021-07-15 · cs.CL · 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{BPRS45ARI2VCHIDLXI66KTIF3W}

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	2026-07-05T03:54:22.172498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be32e741146aa23a06bba3de54d05dd92a62ca6ba79af135a18f94eb2eb0b99

Aliases

arxiv: 2107.07445 · arxiv_version: 2107.07445v2 · doi: 10.48550/arxiv.2107.07445 · pith_short_12: BPRS45ARI2VC · pith_short_16: BPRS45ARI2VCHIDL · pith_short_8: BPRS45AR

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/BPRS45ARI2VCHIDLXI66KTIF3W \
  | 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: 0be32e741146aa23a06bba3de54d05dd92a62ca6ba79af135a18f94eb2eb0b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64cb290b1821adb6c9db8c272728bd347d88ebf56c1831542e644c5d140e929",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-15T16:46:01Z",
    "title_canon_sha256": "e41ac6fcde0c0e71a3da2f148c2d1f1a313b7152809967a78cf7be5faa70c580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07445",
    "kind": "arxiv",
    "version": 2
  }
}