Pith Number

pith:WRJPFZQ7

pith:2019:WRJPFZQ7PD6CP2SEYPXQZZ6424

not attested not anchored not stored refs pending

Recognition of Handwritten Digit using Convolutional Neural Network in Python with Tensorflow and Comparison of Performance for Various Hidden Layers

Fathma Siddique, Md. Abu Bakr Siddique, Shadman Sakib

arxiv:1909.08490 v1 · 2019-09-12 · cs.CV · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRJPFZQ7PD6CP2SEYPXQZZ6424}

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	2026-07-05T00:39:14.024026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b452f2e61f78fc27ea44c3ef0ce7dcd71fc5f710c91e09305217f6a9b0efca35

Aliases

arxiv: 1909.08490 · arxiv_version: 1909.08490v1 · doi: 10.48550/arxiv.1909.08490 · pith_short_12: WRJPFZQ7PD6C · pith_short_16: WRJPFZQ7PD6CP2SE · pith_short_8: WRJPFZQ7

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/WRJPFZQ7PD6CP2SEYPXQZZ6424 \
  | 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: b452f2e61f78fc27ea44c3ef0ce7dcd71fc5f710c91e09305217f6a9b0efca35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dbf97cd5221cd72f547a3260bff28831a0c1bbf09874154548a54a25486be3b",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-12T13:44:38Z",
    "title_canon_sha256": "07f44d37ed733227aadc9a196f9a214ca7017a873ae67d3a6ddeecea904b2c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08490",
    "kind": "arxiv",
    "version": 1
  }
}