Pith Number

pith:IE3XB4FM

pith:2015:IE3XB4FMXIXBZCDEKMVICHVC4Q

not attested not anchored not stored refs pending

Convolutional Neural Network-Based Image Representation for Visual Loop Closure Detection

Hong Zhang, Shilin Zhou, Yi Hou

arxiv:1504.05241 v1 · 2015-04-20 · cs.RO · 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{IE3XB4FMXIXBZCDEKMVICHVC4Q}

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	2026-05-18T02:18:14.776381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413770f0acba2e1c8864532a811ea2e401a6965720b8b404bae4121a9a6c7c16

Aliases

arxiv: 1504.05241 · arxiv_version: 1504.05241v1 · doi: 10.48550/arxiv.1504.05241 · pith_short_12: IE3XB4FMXIXB · pith_short_16: IE3XB4FMXIXBZCDE · pith_short_8: IE3XB4FM

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/IE3XB4FMXIXBZCDEKMVICHVC4Q \
  | 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: 413770f0acba2e1c8864532a811ea2e401a6965720b8b404bae4121a9a6c7c16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d382eecb8fca51bf7ad11543ffa4d5ee2c92f2dbab5afbbcbd8c100627561b23",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2015-04-20T21:43:45Z",
    "title_canon_sha256": "e636a37b2c96797d41c8df1c9597da9b6b389a61bda399bb9d6bbc92aa5368f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05241",
    "kind": "arxiv",
    "version": 1
  }
}