pith. sign in
Pith Number

pith:J6RKYXBK

pith:2019:J6RKYXBK7FVMPWKTLI7Y6RMU3Q
not attested not anchored not stored refs pending

Image retrieval method based on CNN and dimension reduction

Mengping Dong, Shaomin Mu, Yongyu Xu, Zhihao Cao

arxiv:1901.03924 v1 · 2019-01-13 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J6RKYXBK7FVMPWKTLI7Y6RMU3Q}

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 2026-05-17T23:56:26.717569Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4fa2ac5c2af96ac7d9535a3f8f4594dc360f4972cc844cec62ca6e4791dd614f

Aliases

arxiv: 1901.03924 · arxiv_version: 1901.03924v1 · doi: 10.48550/arxiv.1901.03924 · pith_short_12: J6RKYXBK7FVM · pith_short_16: J6RKYXBK7FVMPWKT · pith_short_8: J6RKYXBK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J6RKYXBK7FVMPWKTLI7Y6RMU3Q \
  | 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: 4fa2ac5c2af96ac7d9535a3f8f4594dc360f4972cc844cec62ca6e4791dd614f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f7cd7228bec37c0d57ed3d3c5462349e7bb9a40812bd3cbe1ccd19ebec1dc736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-13T02:29:27Z",
    "title_canon_sha256": "b816ac036a2ad9b23b2dda9a413407336e808c3ae10887ab693225f0ba53cb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03924",
    "kind": "arxiv",
    "version": 1
  }
}