Pith Number

pith:5LBZN3ZU

pith:2019:5LBZN3ZURW5RSBUERFV2T4LLJP

not attested not anchored not stored refs pending

DF-SLAM: A Deep-Learning Enhanced Visual SLAM System based on Deep Local Features

Jieqi Shi, Rong Kang, Xiao Liu, Xueming Li, Yang Liu

arxiv:1901.07223 v2 · 2019-01-22 · cs.CV · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5LBZN3ZURW5RSBUERFV2T4LLJP}

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	2026-05-17T23:55:38.058118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eac396ef348dbb190684896ba9f16b4bdddb1c2dcc09f0563fc34a38c17f1862

Aliases

arxiv: 1901.07223 · arxiv_version: 1901.07223v2 · doi: 10.48550/arxiv.1901.07223 · pith_short_12: 5LBZN3ZURW5R · pith_short_16: 5LBZN3ZURW5RSBUE · pith_short_8: 5LBZN3ZU

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/5LBZN3ZURW5RSBUERFV2T4LLJP \
  | 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: eac396ef348dbb190684896ba9f16b4bdddb1c2dcc09f0563fc34a38c17f1862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae5341612660dbadabfacece40fa26f86e554a6f9e56201d6f948459948f26a9",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-22T09:25:08Z",
    "title_canon_sha256": "489b05aa0ba5c55bca5e7013da846881cd2e692f355292315baf4585dd33da5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07223",
    "kind": "arxiv",
    "version": 2
  }
}