Pith Number

pith:R3AKBDIA

pith:2012:R3AKBDIAQHCRYIC4X6SBKHQHTH

not attested not anchored not stored refs pending

Combined Descriptors in Spatial Pyramid Domain for Image Classification

Junlin Hu, Ping Guo

arxiv:1210.0386 v3 · 2012-10-01 · 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{R3AKBDIAQHCRYIC4X6SBKHQHTH}

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	2026-05-18T03:44:13.359294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec0a08d0081c51c205cbfa4151e0799c6f7e2f5817ff99d17f4febcfd3af175

Aliases

arxiv: 1210.0386 · arxiv_version: 1210.0386v3 · doi: 10.48550/arxiv.1210.0386 · pith_short_12: R3AKBDIAQHCR · pith_short_16: R3AKBDIAQHCRYIC4 · pith_short_8: R3AKBDIA

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/R3AKBDIAQHCRYIC4X6SBKHQHTH \
  | 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: 8ec0a08d0081c51c205cbfa4151e0799c6f7e2f5817ff99d17f4febcfd3af175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f35b1f39a47b588ab9ea41e2f0b7b764630fe6eef99e915a0584458891dece2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-10-01T13:05:20Z",
    "title_canon_sha256": "0cb5c2da320087ad4cf76f3f2d4bb73e47f67869310682e85d9b84b8297c15c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0386",
    "kind": "arxiv",
    "version": 3
  }
}