Pith Number

pith:BOX6H2OQ

pith:2019:BOX6H2OQBSY4QADZ5HC2TCJTM3

not attested not anchored not stored refs pending

Deep Learning Based Video System for Accurate and Real-Time Parking Measurement

Bill Yang Cai, Carlo Ratti, F\'abio Duarte, Michelle Sit, Ricardo Alvarez

arxiv:1902.07401 v1 · 2019-02-20 · 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{BOX6H2OQBSY4QADZ5HC2TCJTM3}

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	2026-07-05T00:12:24.436436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bafe3e9d00cb1c80079e9c5a9893366ccb0767dd90ce68d6f160601a534604a

Aliases

arxiv: 1902.07401 · arxiv_version: 1902.07401v1 · doi: 10.48550/arxiv.1902.07401 · pith_short_12: BOX6H2OQBSY4 · pith_short_16: BOX6H2OQBSY4QADZ · pith_short_8: BOX6H2OQ

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/BOX6H2OQBSY4QADZ5HC2TCJTM3 \
  | 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: 0bafe3e9d00cb1c80079e9c5a9893366ccb0767dd90ce68d6f160601a534604a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9944ca7a22da0dc675fab0816cbd7af0702733a985ac6e7d741bcd048feb66e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-20T04:49:13Z",
    "title_canon_sha256": "39cf110cdd818e151bff05292c123b6dc8fc8588f0980789ddd46968364ff056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07401",
    "kind": "arxiv",
    "version": 1
  }
}