Pith Number

pith:UT4GV5FK

pith:2017:UT4GV5FK3ML5I2EKFC4Y2C5ZCT

not attested not anchored not stored refs pending

Real-Time Document Image Classification using Deep CNN and Extreme Learning Machines

Andreas K\"olsch, Marcus Liwicki, Markus Ebbecke, Muhammad Zeshan Afzal

arxiv:1711.05862 v1 · 2017-11-03 · 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{UT4GV5FK3ML5I2EKFC4Y2C5ZCT}

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	2026-05-18T00:20:05.637663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f86af4aadb17d4688a28b98d0bb914c5c23a48d0bff7747851c4540f82bba2

Aliases

arxiv: 1711.05862 · arxiv_version: 1711.05862v1 · doi: 10.48550/arxiv.1711.05862 · pith_short_12: UT4GV5FK3ML5 · pith_short_16: UT4GV5FK3ML5I2EK · pith_short_8: UT4GV5FK

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/UT4GV5FK3ML5I2EKFC4Y2C5ZCT \
  | 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: a4f86af4aadb17d4688a28b98d0bb914c5c23a48d0bff7747851c4540f82bba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e1f8d6c7d31ea1c8e8720a6c9b2de059ea7b959432cf0c4d6f47c8c5508037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-03T17:02:57Z",
    "title_canon_sha256": "6cebf533abeaa9caea1d0205589c51d47d72027ca51e1cb6ccc45a49113c95c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05862",
    "kind": "arxiv",
    "version": 1
  }
}