Pith Number

pith:KMQUUTLB

pith:2019:KMQUUTLBENAZHJA5RDSRT5JLGQ

not attested not anchored not stored refs pending

GCNv2: Efficient Correspondence Prediction for Real-Time SLAM

Jiexiong Tang, John Folkesson, Ludvig Ericson, Patric Jensfelt

arxiv:1902.11046 v3 · 2019-02-28 · 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{KMQUUTLBENAZHJA5RDSRT5JLGQ}

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	2026-05-17T23:43:09.001413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53214a4d61234193a41d88e519f52b343d38211fe30cc14bcb79402d9f79361b

Aliases

arxiv: 1902.11046 · arxiv_version: 1902.11046v3 · doi: 10.48550/arxiv.1902.11046 · pith_short_12: KMQUUTLBENAZ · pith_short_16: KMQUUTLBENAZHJA5 · pith_short_8: KMQUUTLB

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/KMQUUTLBENAZHJA5RDSRT5JLGQ \
  | 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: 53214a4d61234193a41d88e519f52b343d38211fe30cc14bcb79402d9f79361b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72c70392e7ec0fb0ae7aaf007c6a3a2e1251f6071b5a1b555a6526e2c45df15a",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-02-28T12:23:53Z",
    "title_canon_sha256": "6cd88cc5a4ed360abbe3030b5c36ae62176513146454d82e7f5ee53695d1c60b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11046",
    "kind": "arxiv",
    "version": 3
  }
}