Pith Number

pith:QV7NM7T3

pith:2018:QV7NM7T36OSFGX6DTGDQGWZNPI

not attested not anchored not stored refs pending

Dictionary Learning and Sparse Coding on Statistical Manifolds

Baba C. Vemuri, Monami Banerjee, Rudrasis Chakraborty

arxiv:1805.02505 v1 · 2018-05-03 · 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{QV7NM7T36OSFGX6DTGDQGWZNPI}

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	2026-05-18T00:16:39.767652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857ed67e7bf3a4535fc39987035b2d7a1e930431d59dc6c294a343c1f45ee9d0

Aliases

arxiv: 1805.02505 · arxiv_version: 1805.02505v1 · doi: 10.48550/arxiv.1805.02505 · pith_short_12: QV7NM7T36OSF · pith_short_16: QV7NM7T36OSFGX6D · pith_short_8: QV7NM7T3

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/QV7NM7T36OSFGX6DTGDQGWZNPI \
  | 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: 857ed67e7bf3a4535fc39987035b2d7a1e930431d59dc6c294a343c1f45ee9d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6bcde8d15baab4c67399f9b120ab34700b2dc63235ccc805cfef4b3b0d2d492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-03T22:00:38Z",
    "title_canon_sha256": "89421fe3235d809f9f85aad875e666fac11eaac44646d15c0137fdc8722b79b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02505",
    "kind": "arxiv",
    "version": 1
  }
}