Pith Number

pith:HKN5H2VP

pith:2015:HKN5H2VPGLVOBUROIUPF2BWOR7

not attested not anchored not stored refs pending

Sparsest Error Detection via Sparsity Invariant Transformation based $\ell_1$ Minimization

Sheng Han, Suzhen Wang, Wing Shing Wong, Zhiguo Zhang

arxiv:1505.05290 v1 · 2015-05-20 · stat.ME · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKN5H2VPGLVOBUROIUPF2BWOR7}

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	2026-05-18T02:03:58.775242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9bd3eaaf32eae0d22e451e5d06ce8fcc8a2dda9f9eac0d614060064c283039

Aliases

arxiv: 1505.05290 · arxiv_version: 1505.05290v1 · doi: 10.48550/arxiv.1505.05290 · pith_short_12: HKN5H2VPGLVO · pith_short_16: HKN5H2VPGLVOBURO · pith_short_8: HKN5H2VP

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/HKN5H2VPGLVOBUROIUPF2BWOR7 \
  | 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: 3a9bd3eaaf32eae0d22e451e5d06ce8fcc8a2dda9f9eac0d614060064c283039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f5a6e95bb829478a76b26d5dca6d3d3de493d866867a2852373fdff3f149d5",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-05-20T09:09:32Z",
    "title_canon_sha256": "4b77b31aedfb5cbe379320fe466ed9d8011e30d97823c149b6feadf531ac4b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05290",
    "kind": "arxiv",
    "version": 1
  }
}