Pith Number

pith:G2DM6LHP

pith:2018:G2DM6LHPFUQALVTSHWQHDQUX4F

not attested not anchored not stored refs pending

Open Logo Detection Challenge

Hang Su, Shaogang Gong, Xiatian Zhu

arxiv:1807.01964 v3 · 2018-07-05 · 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{G2DM6LHPFUQALVTSHWQHDQUX4F}

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	2026-05-18T00:04:39.222032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3686cf2cef2d2005d6723da071c297e1759c7d83eed13926659763ab6e191795

Aliases

arxiv: 1807.01964 · arxiv_version: 1807.01964v3 · doi: 10.48550/arxiv.1807.01964 · pith_short_12: G2DM6LHPFUQA · pith_short_16: G2DM6LHPFUQALVTS · pith_short_8: G2DM6LHP

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/G2DM6LHPFUQALVTSHWQHDQUX4F \
  | 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: 3686cf2cef2d2005d6723da071c297e1759c7d83eed13926659763ab6e191795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38cb1f5bb5e65056187e0c0f96a1d3f7df5530201c293c128bd2d7f9d9affbbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-05T12:40:39Z",
    "title_canon_sha256": "6b992d6f6e7bcc5ae8a654367c2b018da40759024867cae1b0edfc20fbc4646a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01964",
    "kind": "arxiv",
    "version": 3
  }
}