Pith Number

pith:XX5W4IFW

pith:2015:XX5W4IFWWHRPTTFB33ZONUKCR7

not attested not anchored not stored refs pending

Efficient numerical algorithms for regularized regression problem with applications to traffic matrix estimations

Alexander Gasnikov, Alexander Gornov, Andrey Golov, Anton Anikin, Mikhail Mendel, Pavel Dvurechensky, Vladimir Spokoiny, Yury Maximov

arxiv:1508.00858 v9 · 2015-08-04 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XX5W4IFWWHRPTTFB33ZONUKCR7}

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	2026-05-18T01:17:00.502737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdfb6e20b6b1e2f9cca1def2e6d1428fe0a1dda23227ba58d64354ba6bd1ce1f

Aliases

arxiv: 1508.00858 · arxiv_version: 1508.00858v9 · doi: 10.48550/arxiv.1508.00858 · pith_short_12: XX5W4IFWWHRP · pith_short_16: XX5W4IFWWHRPTTFB · pith_short_8: XX5W4IFW

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/XX5W4IFWWHRPTTFB33ZONUKCR7 \
  | 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: bdfb6e20b6b1e2f9cca1def2e6d1428fe0a1dda23227ba58d64354ba6bd1ce1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba0d2487765d2fcca07dda3cfcd0c8317a216cda846d3bafaaa25fd90ee1f283",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-08-04T18:27:50Z",
    "title_canon_sha256": "67fbfd7ee0a748131680cfbec57be67295a8f148e8469026bec0f37843eaccd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00858",
    "kind": "arxiv",
    "version": 9
  }
}