Pith Number

pith:SJMRNWYV

pith:2015:SJMRNWYVESCPRKDQIDQKSO2WZI

not attested not anchored not stored refs pending

Deep Spatial Pyramid: The Devil is Once Again in the Details

Bin-Bin Gao, Jianxin Wu, Weiyao Lin, Xiu-Shen Wei

arxiv:1504.05277 v2 · 2015-04-21 · 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{SJMRNWYVESCPRKDQIDQKSO2WZI}

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	2026-05-18T02:18:03.230310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

925916db152484f8a87040e0a93b56ca057860ca343675282c78bba254323a1e

Aliases

arxiv: 1504.05277 · arxiv_version: 1504.05277v2 · doi: 10.48550/arxiv.1504.05277 · pith_short_12: SJMRNWYVESCP · pith_short_16: SJMRNWYVESCPRKDQ · pith_short_8: SJMRNWYV

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/SJMRNWYVESCPRKDQIDQKSO2WZI \
  | 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: 925916db152484f8a87040e0a93b56ca057860ca343675282c78bba254323a1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf8769965f5196e3e3d494db253ca9273ed2d9b341e5b53ee65e5acc483fca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-21T02:13:44Z",
    "title_canon_sha256": "7d690021b71c7b690e35ad96e14d23ac1045756d911f397425994d2be782153a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05277",
    "kind": "arxiv",
    "version": 2
  }
}