Pith Number

pith:HSQWVJLZ

pith:2020:HSQWVJLZFVMKYSAH2XPKPOKRTZ

not attested not anchored not stored refs pending

FedOCR: Communication-Efficient Federated Learning for Scene Text Recognition

Rui Zhang, Song Bai, Wenqing Zhang, Xiang Bai, Xiaolin Wei, Yang Qiu

arxiv:2007.11462 v2 · 2020-07-22 · 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{HSQWVJLZFVMKYSAH2XPKPOKRTZ}

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	2026-07-05T03:54:17.961088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca16aa5792d58ac4807d5dea7b9519e5310bbc5310669b65e20f2e74bee95a7

Aliases

arxiv: 2007.11462 · arxiv_version: 2007.11462v2 · doi: 10.48550/arxiv.2007.11462 · pith_short_12: HSQWVJLZFVMK · pith_short_16: HSQWVJLZFVMKYSAH · pith_short_8: HSQWVJLZ

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/HSQWVJLZFVMKYSAH2XPKPOKRTZ \
  | 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: 3ca16aa5792d58ac4807d5dea7b9519e5310bbc5310669b65e20f2e74bee95a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bd204327640aa3bbf584b20c511e9144ac44371fa544bc063179ec6f8f0e5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-22T14:30:50Z",
    "title_canon_sha256": "3b56ebedd05678ef6494792493588ab26a9f0e073f7d97a1f8c8beae0868b30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11462",
    "kind": "arxiv",
    "version": 2
  }
}