Pith Number

pith:YZO7C45K

pith:2017:YZO7C45KP2XRVRVPMHN2JM4QKZ

not attested not anchored not stored refs pending

Sparse models for Computer Vision

Laurent Perrinet (INT)

arxiv:1701.06859 v1 · 2017-01-24 · cs.CV · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZO7C45KP2XRVRVPMHN2JM4QKZ}

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	2026-05-18T00:52:12.021203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65df173aa7eaf1ac6af61dba4b3905649b1b2e847d256e4002ef4f04f7c6215

Aliases

arxiv: 1701.06859 · arxiv_version: 1701.06859v1 · doi: 10.48550/arxiv.1701.06859 · pith_short_12: YZO7C45KP2XR · pith_short_16: YZO7C45KP2XRVRVP · pith_short_8: YZO7C45K

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/YZO7C45KP2XRVRVPMHN2JM4QKZ \
  | 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: c65df173aa7eaf1ac6af61dba4b3905649b1b2e847d256e4002ef4f04f7c6215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23d3ab39669ee9e396b7bd3c6e7daebde5651749223853ad43cae71921e7e21",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-24T13:20:11Z",
    "title_canon_sha256": "34af6b27af5b582c944a1877cb92a4a78ed03050fe4d34550267f5a61bcea275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06859",
    "kind": "arxiv",
    "version": 1
  }
}