Pith Number

pith:KVHWSF5Y

pith:2019:KVHWSF5YQBVLG2WBAU5NPGAIF2

not attested not anchored not stored refs pending

Deep Learning Approaches for Image Retrieval and Pattern Spotting in Ancient Documents

Alceu de Souza Britto Junior, Alessandro Lameiras Koerich, Kelly Lais Wiggers, Laurent Heutte, Luiz Eduardo Soares de Oliveira

arxiv:1907.09404 v1 · 2019-07-22 · cs.CV · cs.LG · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVHWSF5YQBVLG2WBAU5NPGAIF2}

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	2026-05-17T23:39:39.181030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554f6917b8806ab36ac1053ad798082eabf366ed65b4c3d048b73116ca383dc3

Aliases

arxiv: 1907.09404 · arxiv_version: 1907.09404v1 · doi: 10.48550/arxiv.1907.09404 · pith_short_12: KVHWSF5YQBVL · pith_short_16: KVHWSF5YQBVLG2WB · pith_short_8: KVHWSF5Y

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/KVHWSF5YQBVLG2WBAU5NPGAIF2 \
  | 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: 554f6917b8806ab36ac1053ad798082eabf366ed65b4c3d048b73116ca383dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ccf9994d73b2934b23c5de3cc627c116ee8ef332c421bafc93fa3e3e30b49ad",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-22T16:27:19Z",
    "title_canon_sha256": "82d676dafe8f3aa6fecef84a08e9fc2a47729fbfd13d0b78fea230fd81654dde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09404",
    "kind": "arxiv",
    "version": 1
  }
}