Pith Number

pith:T2HZKPJZ

pith:2021:T2HZKPJZHAUJESYRGC63TOUATT

not attested not anchored not stored refs pending

Dictionary Learning Using Rank-One Atomic Decomposition (ROAD)

Cheng cheng, Wei Dai

arxiv:2110.12786 v2 · 2021-10-25 · eess.SP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2HZKPJZHAUJESYRGC63TOUATT}

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	2026-07-05T03:25:35.562019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8f953d393828924b1130bdb9ba809cf9355726bcf8fb78cbc2204822a95d88

Aliases

arxiv: 2110.12786 · arxiv_version: 2110.12786v2 · doi: 10.48550/arxiv.2110.12786 · pith_short_12: T2HZKPJZHAUJ · pith_short_16: T2HZKPJZHAUJESYR · pith_short_8: T2HZKPJZ

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/T2HZKPJZHAUJESYRGC63TOUATT \
  | 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: 9e8f953d393828924b1130bdb9ba809cf9355726bcf8fb78cbc2204822a95d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4299361b3b0044e8231dad9470b86a0ef452b452fc7140d0f46eebb47100c7db",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-10-25T10:29:52Z",
    "title_canon_sha256": "37fc7a824d4072d00359cb160f538af233f3b076c21286a17affb67b66ea21d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.12786",
    "kind": "arxiv",
    "version": 2
  }
}