Pith Number

pith:GTHURZTJ

pith:2019:GTHURZTJGR4ZXWN77JFAEO6MBO

not attested not anchored not stored refs pending

Multimodal Classification of Urban Micro-Events

Maarten Sukel, Marcel Worring, Stevan Rudinac

arxiv:1904.13349 v1 · 2019-04-30 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTHURZTJGR4ZXWN77JFAEO6MBO}

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	2026-05-17T23:47:21.571050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34cf48e66934799bd9bffa4a023bcc0ba3cf3913c81cf106369abdb5eb8380ec

Aliases

arxiv: 1904.13349 · arxiv_version: 1904.13349v1 · doi: 10.48550/arxiv.1904.13349 · pith_short_12: GTHURZTJGR4Z · pith_short_16: GTHURZTJGR4ZXWN7 · pith_short_8: GTHURZTJ

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/GTHURZTJGR4ZXWN77JFAEO6MBO \
  | 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: 34cf48e66934799bd9bffa4a023bcc0ba3cf3913c81cf106369abdb5eb8380ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d7ca9f1e0e3abba8c3a8af4e7accb575af27b61f39be1bb5a13cab467da6bb",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-30T16:24:19Z",
    "title_canon_sha256": "345e5183d16ed769a286916889b9bd5505adf3a401a912aef707acc8ffae407a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13349",
    "kind": "arxiv",
    "version": 1
  }
}