Pith Number

pith:AV3CQWVD

pith:2015:AV3CQWVD3UIK3UPKLYX5OHNBDQ

not attested not anchored not stored refs pending

Exploring Integral Image Word Length Reduction Techniques for SURF Detector

Klaus D. McDonald-Maier, Shoaib Ehsan

arxiv:1504.07958 v1 · 2015-04-29 · 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{AV3CQWVD3UIK3UPKLYX5OHNBDQ}

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	2026-05-18T02:17:25.114306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0576285aa3dd10add1ea5e2fd71da11c2a937e17e0ba2d8284abd52cae52da4d

Aliases

arxiv: 1504.07958 · arxiv_version: 1504.07958v1 · doi: 10.48550/arxiv.1504.07958 · pith_short_12: AV3CQWVD3UIK · pith_short_16: AV3CQWVD3UIK3UPK · pith_short_8: AV3CQWVD

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/AV3CQWVD3UIK3UPKLYX5OHNBDQ \
  | 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: 0576285aa3dd10add1ea5e2fd71da11c2a937e17e0ba2d8284abd52cae52da4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40c25b7cb6796140f3a2092335dc8f625c1efe51b0495959f243a0eb062b871",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-29T18:43:06Z",
    "title_canon_sha256": "23f3465350aea5170d9ccc98bd3365c7fd59573c546091ec246ed7f0c19ea3dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07958",
    "kind": "arxiv",
    "version": 1
  }
}