Pith Number

pith:PBUSRPHA

pith:2021:PBUSRPHAEQ2DJ5H2GABRCLJWO3

not attested not anchored not stored refs pending

Graph Representation Learning for Road Type Classification

Michael Felsberg, Oliver Stromann, Shreyas Kowshik, Zahra Gharaee

arxiv:2107.07791 v4 · 2021-07-16 · cs.LG · cs.AI · 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{PBUSRPHAEQ2DJ5H2GABRCLJWO3}

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	2026-07-05T04:28:52.399464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

786928bce0243434f4fa3003112d3676c09ac7a7e274673d23726320bbaae402

Aliases

arxiv: 2107.07791 · arxiv_version: 2107.07791v4 · doi: 10.48550/arxiv.2107.07791 · pith_short_12: PBUSRPHAEQ2D · pith_short_16: PBUSRPHAEQ2DJ5H2 · pith_short_8: PBUSRPHA

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/PBUSRPHAEQ2DJ5H2GABRCLJWO3 \
  | 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: 786928bce0243434f4fa3003112d3676c09ac7a7e274673d23726320bbaae402

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f494a3673dc458c8c2157278e3afbaba60153dc3fa3dbd642c0dff5f8a7a45",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-16T09:32:58Z",
    "title_canon_sha256": "8657d11a9eee0eebf8476286ef539e3c1fb72765a8119c2e86955fc2d958f0b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07791",
    "kind": "arxiv",
    "version": 4
  }
}