Pith Number

pith:3IKPSBGD

pith:2019:3IKPSBGDNHXBC77XMHUENPARHG

not attested not anchored not stored refs pending

Learning Visual Features Under Motion Invariance

Alessandro Betti, Marco Gori, Stefano Melacci

arxiv:1909.00350 v3 · 2019-09-01 · 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{3IKPSBGDNHXBC77XMHUENPARHG}

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	2026-07-05T00:57:49.957626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da14f904c369ee117ff761e846bc1139bfee0d776112bcf1728195b69863c225

Aliases

arxiv: 1909.00350 · arxiv_version: 1909.00350v3 · doi: 10.48550/arxiv.1909.00350 · pith_short_12: 3IKPSBGDNHXB · pith_short_16: 3IKPSBGDNHXBC77X · pith_short_8: 3IKPSBGD

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/3IKPSBGDNHXBC77XMHUENPARHG \
  | 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: da14f904c369ee117ff761e846bc1139bfee0d776112bcf1728195b69863c225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aebb1ead92f54ddfccf667424240f32ce37a348f14e7ec1d5c34d425ee24ca50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-01T08:20:44Z",
    "title_canon_sha256": "898ceb5f31c4ebfc83bd769c7ee8a275ff7e13c451a2d982b90bcb4278038ff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00350",
    "kind": "arxiv",
    "version": 3
  }
}