Pith Number

pith:CAUATHO2

pith:2017:CAUATHO2SFOBHN7ZXPFDTEAFAU

not attested not anchored not stored refs pending

Super-sparse Learning in Similarity Spaces

Ambra Demontis, Battista Biggio, Fabio Roli, Giorgio Fumera, Marco Melis

arxiv:1712.06131 v1 · 2017-12-17 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAUATHO2SFOBHN7ZXPFDTEAFAU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:27:51.014005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1028099dda915c13b7f9bbca3990050536418e20e9c71cbadb0dff2c22f84d4a

Aliases

arxiv: 1712.06131 · arxiv_version: 1712.06131v1 · doi: 10.48550/arxiv.1712.06131 · pith_short_12: CAUATHO2SFOB · pith_short_16: CAUATHO2SFOBHN7Z · pith_short_8: CAUATHO2

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/CAUATHO2SFOBHN7ZXPFDTEAFAU \
  | 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: 1028099dda915c13b7f9bbca3990050536418e20e9c71cbadb0dff2c22f84d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17b09cc8d5119967b29fb93bbe273d5fe92a148c128b7288cc4ca29fbc2c5788",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-17T15:59:38Z",
    "title_canon_sha256": "81ac2a8429fa46310dc86ebe296ae06363a9c36eaad996f2bf14852cd5590e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06131",
    "kind": "arxiv",
    "version": 1
  }
}