Pith Number

pith:GJER7N3H

pith:2022:GJER7N3HMJZGZGC2AHSXVRIKZG

not attested not anchored not stored refs pending

Long-term Visual Map Sparsification with Heterogeneous GNN

Jakob J. Engel, Michael Kaess, Ming-Fang Chang, Rajvi Shah, Simon Lucey, Yipu Zhao

arxiv:2203.15182 v1 · 2022-03-29 · cs.CV · 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{GJER7N3HMJZGZGC2AHSXVRIKZG}

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	2026-07-05T04:09:22.546021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32491fb76762726c985a01e57ac50ac98b372417691bf8a76a7916afbc57f319

Aliases

arxiv: 2203.15182 · arxiv_version: 2203.15182v1 · doi: 10.48550/arxiv.2203.15182 · pith_short_12: GJER7N3HMJZG · pith_short_16: GJER7N3HMJZGZGC2 · pith_short_8: GJER7N3H

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/GJER7N3HMJZGZGC2AHSXVRIKZG \
  | 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: 32491fb76762726c985a01e57ac50ac98b372417691bf8a76a7916afbc57f319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92b4b19568476d1bc488fdd82deddf6fffd8e4e82aaace4682a982de96210d4",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-29T01:46:12Z",
    "title_canon_sha256": "6c5121bd5eb6389d37a8c5d2ff7c7bda16e15ac23e6818d32a32f5691b1204ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15182",
    "kind": "arxiv",
    "version": 1
  }
}