Pith Number

pith:UY2O42IM

pith:2014:UY2O42IM4UTF25MZK4ANA52GVJ

not attested not anchored not stored refs pending

Sparse Coding on Symmetric Positive Definite Manifolds using Bregman Divergences

Brian Lovell, Conrad Sanderson, Mehrtash Harandi, Richard Hartley

arxiv:1409.0083 v1 · 2014-08-30 · 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{UY2O42IM4UTF25MZK4ANA52GVJ}

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	2026-05-18T02:43:53.416740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a634ee690ce5265d75995700d07746aa47b1dcc0b46ba1a292ebc866a3b40d06

Aliases

arxiv: 1409.0083 · arxiv_version: 1409.0083v1 · doi: 10.48550/arxiv.1409.0083 · pith_short_12: UY2O42IM4UTF · pith_short_16: UY2O42IM4UTF25MZ · pith_short_8: UY2O42IM

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/UY2O42IM4UTF25MZK4ANA52GVJ \
  | 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: a634ee690ce5265d75995700d07746aa47b1dcc0b46ba1a292ebc866a3b40d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "888a8984f444dec77ce7438933ac11cdc7873d23a5a8996858d323f08fab4095",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-08-30T04:46:43Z",
    "title_canon_sha256": "d4e0fae2fbc54c4daa1ddb013879bfcc5dde57a6cea1611a8af122b89d89ecff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0083",
    "kind": "arxiv",
    "version": 1
  }
}