Pith Number

pith:PDECCIQO

pith:2017:PDECCIQOPRFZJTSDTZTGBDT7S5

not attested not anchored not stored refs pending

Fine-Grained Car Detection for Visual Census Estimation

Duyun Chen, Jia Deng, Jonathan Krause, Li Fei-Fei, Timnit Gebru, Yilun Wang

arxiv:1709.02480 v1 · 2017-09-07 · 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{PDECCIQOPRFZJTSDTZTGBDT7S5}

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	2026-05-18T00:35:45.653688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c821220e7c4b94ce439e66608e7f9774bea6576c4b31e14f475a670ae8faeb

Aliases

arxiv: 1709.02480 · arxiv_version: 1709.02480v1 · doi: 10.48550/arxiv.1709.02480 · pith_short_12: PDECCIQOPRFZ · pith_short_16: PDECCIQOPRFZJTSD · pith_short_8: PDECCIQO

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/PDECCIQOPRFZJTSDTZTGBDT7S5 \
  | 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: 78c821220e7c4b94ce439e66608e7f9774bea6576c4b31e14f475a670ae8faeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335e45a27d7a16e8ebfea1d3537fb0ee096ae28fb5a2921bca19fdf36b735eb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-07T22:56:21Z",
    "title_canon_sha256": "d29ee1b2114b8d4c8cda7678d08fc58ffb3389826f8161bb2b8768c40ff63656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02480",
    "kind": "arxiv",
    "version": 1
  }
}