Pith Number

pith:6KWIY5QZ

pith:2015:6KWIY5QZFLXDOD3CGU5UTQ4SRD

not attested not anchored not stored refs pending

Supervised Learning of Semantics-Preserving Hash via Deep Convolutional Neural Networks

Chu-Song Chen, Huei-Fang Yang, Kevin Lin

arxiv:1507.00101 v2 · 2015-07-01 · 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{6KWIY5QZFLXDOD3CGU5UTQ4SRD}

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	2026-05-18T00:50:52.485229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ac8c76192aee370f62353b49c39288ebcb11a29641849d98996a53ea0fd427

Aliases

arxiv: 1507.00101 · arxiv_version: 1507.00101v2 · doi: 10.48550/arxiv.1507.00101 · pith_short_12: 6KWIY5QZFLXD · pith_short_16: 6KWIY5QZFLXDOD3C · pith_short_8: 6KWIY5QZ

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/6KWIY5QZFLXDOD3CGU5UTQ4SRD \
  | 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: f2ac8c76192aee370f62353b49c39288ebcb11a29641849d98996a53ea0fd427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69d64741890bb22202ff2dbfdd181a64689b7065a698d12c26c7c8e0a23acb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-01T04:40:31Z",
    "title_canon_sha256": "1d85834b607233def48721dd07a240347a3d6edbb30029db0e4e3d2254b10e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00101",
    "kind": "arxiv",
    "version": 2
  }
}