Pith Number

pith:2M7DETHB

pith:2016:2M7DETHB2SZUICIYWDJA7YJ5OL

not attested not anchored not stored refs pending

An information theoretic formulation of the Dictionary Learning and Sparse Coding Problems on Statistical Manifolds

Baba C. Vemuri, Monami Banerjee, Rudrasis Chakraborty, Victoria Crawford

arxiv:1604.06939 v2 · 2016-04-23 · 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{2M7DETHB2SZUICIYWDJA7YJ5OL}

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	2026-05-18T00:51:30.404602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33e324ce1d4b3440918b0d20fe13d72fa06607fbf953e6cdb09e27fdc1275b4

Aliases

arxiv: 1604.06939 · arxiv_version: 1604.06939v2 · doi: 10.48550/arxiv.1604.06939 · pith_short_12: 2M7DETHB2SZU · pith_short_16: 2M7DETHB2SZUICIY · pith_short_8: 2M7DETHB

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/2M7DETHB2SZUICIYWDJA7YJ5OL \
  | 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: d33e324ce1d4b3440918b0d20fe13d72fa06607fbf953e6cdb09e27fdc1275b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d0c50410a48b16bcb16f2b3d3ee09e5f85e363215fe84d341cf0f67d84662d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-23T19:15:42Z",
    "title_canon_sha256": "c6dca5bd4a39c26300b4bb4fea1d12600e0badb1afb3916216e549baac25c592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06939",
    "kind": "arxiv",
    "version": 2
  }
}