Pith Number

pith:QF2W4CYR

pith:2017:QF2W4CYRSKOBCAMY6ZB4M6PKMA

not attested not anchored not stored refs pending

SPARCNN: SPAtially Related Convolutional Neural Networks

David Aha, JT Turner, Kalyan Moy Gupta

arxiv:1708.07522 v1 · 2017-08-24 · 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{QF2W4CYRSKOBCAMY6ZB4M6PKMA}

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	2026-05-18T00:36:42.753479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81756e0b11929c110198f643c679ea601d5693b938023468671134943d37999d

Aliases

arxiv: 1708.07522 · arxiv_version: 1708.07522v1 · doi: 10.48550/arxiv.1708.07522 · pith_short_12: QF2W4CYRSKOB · pith_short_16: QF2W4CYRSKOBCAMY · pith_short_8: QF2W4CYR

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/QF2W4CYRSKOBCAMY6ZB4M6PKMA \
  | 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: 81756e0b11929c110198f643c679ea601d5693b938023468671134943d37999d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d618934072eec693a61a4ffa713a6368800622deca3420cb87704a364fadc207",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-24T18:31:03Z",
    "title_canon_sha256": "6aea571c6d3fcf0adcaa591faa0f83dc419f6569cd496e8a008e0e02fbc11eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07522",
    "kind": "arxiv",
    "version": 1
  }
}