Pith Number

pith:HU2QYNMN

pith:2019:HU2QYNMNEFCOUL77IN3VMM2IE7

not attested not anchored not stored refs pending

Hierarchy-of-Visual-Words: a Learning-based Approach for Trademark Image Retrieval

Gabriela G. Silva, Leandro A. F. Fernandes, V\'itor N. Louren\c{c}o

arxiv:1908.02786 v1 · 2019-08-07 · cs.CV · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HU2QYNMNEFCOUL77IN3VMM2IE7}

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	2026-07-05T11:44:36.738693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d350c358d2144ea2fff437756334827c41c55aa86eac709f3098782a101ffee

Aliases

arxiv: 1908.02786 · arxiv_version: 1908.02786v1 · doi: 10.48550/arxiv.1908.02786 · pith_short_12: HU2QYNMNEFCO · pith_short_16: HU2QYNMNEFCOUL77 · pith_short_8: HU2QYNMN

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/HU2QYNMNEFCOUL77IN3VMM2IE7 \
  | 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: 3d350c358d2144ea2fff437756334827c41c55aa86eac709f3098782a101ffee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcef1c75728c55a37d9fa19f53621b65f6b2dc37cc7c90e7bfc00902f3308e7",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-07T18:19:43Z",
    "title_canon_sha256": "19473995cf435ef6fdb822baa56a087dcf7dc6e7a9f3e754940603463af079f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02786",
    "kind": "arxiv",
    "version": 1
  }
}