Pith Number

pith:B3L2XZHG

pith:2019:B3L2XZHG6PTJY7IZH62IIXIWSI

not attested not anchored not stored refs pending

A Comparison of CNN and Classic Features for Image Retrieval

Michael Lew, Theodoros Georgiou, Umut \"Ozayd{\i}n

arxiv:1908.09300 v1 · 2019-08-25 · 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{B3L2XZHG6PTJY7IZH62IIXIWSI}

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	2026-07-05T02:23:55.930899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ed7abe4e6f3e69c7d193fb4845d16920c859aa01db1c1833528d690598be4c6

Aliases

arxiv: 1908.09300 · arxiv_version: 1908.09300v1 · doi: 10.48550/arxiv.1908.09300 · pith_short_12: B3L2XZHG6PTJ · pith_short_16: B3L2XZHG6PTJY7IZ · pith_short_8: B3L2XZHG

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/B3L2XZHG6PTJY7IZH62IIXIWSI \
  | 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: 0ed7abe4e6f3e69c7d193fb4845d16920c859aa01db1c1833528d690598be4c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcec6df025fd4d34c236fd2d9b91db66d9173663689dcd36c290e5ecf4b6b2fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-25T11:20:33Z",
    "title_canon_sha256": "cdde9c4dd23e168950f6d3413ad9bf5a5a379efbdb981405bfc80be9fad49362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09300",
    "kind": "arxiv",
    "version": 1
  }
}