Pith Number

pith:Q4R26VA2

pith:2011:Q4R26VA27JLYUX2LFSF25MZLB2

not attested not anchored not stored refs pending

A Sparsity-Aware Adaptive Algorithm for Distributed Learning

Konstantinos Slavakis, Sergios Theodoridis, Symeon Chouvardas, Yannis Kopsinis

arxiv:1112.5716 v1 · 2011-12-24 · 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{Q4R26VA27JLYUX2LFSF25MZLB2}

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	2026-05-18T01:59:00.747841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8723af541afa578a5f4b2c8baeb32b0eb7fb87e8d4c485ae7f9f3d39d09e3879

Aliases

arxiv: 1112.5716 · arxiv_version: 1112.5716v1 · doi: 10.48550/arxiv.1112.5716 · pith_short_12: Q4R26VA27JLY · pith_short_16: Q4R26VA27JLYUX2L · pith_short_8: Q4R26VA2

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/Q4R26VA27JLYUX2LFSF25MZLB2 \
  | 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: 8723af541afa578a5f4b2c8baeb32b0eb7fb87e8d4c485ae7f9f3d39d09e3879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39fb82c0d9b2d57a40eb3ac34e44bc39776d6790ff314198d815fb878e66938a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-24T11:21:26Z",
    "title_canon_sha256": "49d977fb46d094c582344ee13ef234e5c0b383d08250c5ee6a0b1ebe95895125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5716",
    "kind": "arxiv",
    "version": 1
  }
}