Pith Number

pith:VHORBQQI

pith:2019:VHORBQQI2JF5NIQBPWVY6SO6NG

not attested not anchored not stored refs pending

Utilizing Temporal Information in Deep Convolutional Network for Efficient Soccer Ball Detection and Tracking

Anna Kukleva, Hafez Farazi, Mohammad Asif Khan, Sven Behnke

arxiv:1909.02406 v2 · 2019-09-05 · 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{VHORBQQI2JF5NIQBPWVY6SO6NG}

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	2026-07-05T00:02:40.392994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9dd10c208d24bd6a2017dab8f49de69a77e074dce6b9865745c27f67bded06b

Aliases

arxiv: 1909.02406 · arxiv_version: 1909.02406v2 · doi: 10.48550/arxiv.1909.02406 · pith_short_12: VHORBQQI2JF5 · pith_short_16: VHORBQQI2JF5NIQB · pith_short_8: VHORBQQI

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/VHORBQQI2JF5NIQBPWVY6SO6NG \
  | 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: a9dd10c208d24bd6a2017dab8f49de69a77e074dce6b9865745c27f67bded06b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c0060dff915485cf633972fb92b65a8c520bb61ce018e70b635f16e51200298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-05T13:40:27Z",
    "title_canon_sha256": "9bed1c5d5295be87bd6e85f81095dc6b78649ae48bea5ffdd2e362bcf3bec9a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02406",
    "kind": "arxiv",
    "version": 2
  }
}