Pith Number

pith:55NHBBOF

pith:2014:55NHBBOFSSKVKN27RYSCTNK27Y

not attested not anchored not stored refs pending

Scaling techniques for $\epsilon$-subgradient projection methods

Alessandro Benfenati, Silvia Bonettini, Valeria Ruggiero

arxiv:1407.6133 v2 · 2014-07-23 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55NHBBOFSSKVKN27RYSCTNK27Y}

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	2026-05-18T01:48:06.733126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5a7085c5949555375f8e2429b55afe18d2259e2179b07ee1bf273de4d5996e

Aliases

arxiv: 1407.6133 · arxiv_version: 1407.6133v2 · doi: 10.48550/arxiv.1407.6133 · pith_short_12: 55NHBBOFSSKV · pith_short_16: 55NHBBOFSSKVKN27 · pith_short_8: 55NHBBOF

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/55NHBBOFSSKVKN27RYSCTNK27Y \
  | 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: ef5a7085c5949555375f8e2429b55afe18d2259e2179b07ee1bf273de4d5996e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cccaffe4cd561c2a6b7c5d5dcb7d1a4ec40bf5643c27cfae6489d24b9b7c099",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-23T08:36:18Z",
    "title_canon_sha256": "8784b1987e642bc2d71387305388c12f9131c08009e2072a2daa1ad193b29f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6133",
    "kind": "arxiv",
    "version": 2
  }
}