Pith Number

pith:7BJYI2ON

pith:2016:7BJYI2ON6CJZHPQ34VUXW3PMIO

not attested not anchored not stored refs pending

Learning rotation invariant convolutional filters for texture classification

Devis Tuia, Diego Marcos, Michele Volpi

arxiv:1604.06720 v2 · 2016-04-22 · 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{7BJYI2ON6CJZHPQ34VUXW3PMIO}

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	2026-05-18T00:45:16.150854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8538469cdf09393be1be5697b6dec438576936ec306044726fc4349437517e6

Aliases

arxiv: 1604.06720 · arxiv_version: 1604.06720v2 · doi: 10.48550/arxiv.1604.06720 · pith_short_12: 7BJYI2ON6CJZ · pith_short_16: 7BJYI2ON6CJZHPQ3 · pith_short_8: 7BJYI2ON

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/7BJYI2ON6CJZHPQ34VUXW3PMIO \
  | 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: f8538469cdf09393be1be5697b6dec438576936ec306044726fc4349437517e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76540512ebfdd90db3cfbfc9c0f3d0930ea14af463fddf26ef9eb29b1786dd4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-22T15:55:37Z",
    "title_canon_sha256": "f44b3efcb943e1e33780b3f3921c7c0276270269ee405e7aa9c739ff298f6adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06720",
    "kind": "arxiv",
    "version": 2
  }
}