Pith Number

pith:UDQVQFNU

pith:2017:UDQVQFNUWLHQZJTV5CETS26HNX

not attested not anchored not stored refs pending

EMNIST: an extension of MNIST to handwritten letters

Andr\'e van Schaik, Gregory Cohen, Jonathan Tapson, Saeed Afshar

arxiv:1702.05373 v2 · 2017-02-17 · 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{UDQVQFNUWLHQZJTV5CETS26HNX}

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.

Cited by

8 papers in Pith

Neural Network Training with Approximate Logarithmic Computations

DPQuant: Efficient and Differentially-Private Model Training via Dynamic Quantization Scheduling

Optimizing Split Federated Learning with Unstable Client Participation

Measuring the Effects of Non-Identical Data Distribution for Federated Visual Classification

Rescaled Asynchronous SGD: Optimal Distributed Optimization under Data and System Heterogeneity

Receipt and verification

First computed	2026-05-18T00:49:46.419682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e15815b4b2cf0ca675e889396bc76def38cbe3c321891002c6e691e5802fd3

Aliases

arxiv: 1702.05373 · arxiv_version: 1702.05373v2 · doi: 10.48550/arxiv.1702.05373 · pith_short_12: UDQVQFNUWLHQ · pith_short_16: UDQVQFNUWLHQZJTV · pith_short_8: UDQVQFNU

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/UDQVQFNUWLHQZJTV5CETS26HNX \
  | 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: a0e15815b4b2cf0ca675e889396bc76def38cbe3c321891002c6e691e5802fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0690edfa1ba283e46f2d32c2fb93a88eddfd8d4df29d75502e2b652e7ed502a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-17T15:06:14Z",
    "title_canon_sha256": "90d25ac0daaf4ec21fc5732cc4336b71e4899d2b2daf327403b1a8dd23d88c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05373",
    "kind": "arxiv",
    "version": 2
  }
}