Pith Number

pith:BG7E6HO5

pith:2014:BG7E6HO5RXMVB52QKFURAFKB4U

not attested not anchored not stored refs pending

OSGA: A fast subgradient algorithm with optimal complexity

Arnold Neumaier

arxiv:1402.1125 v1 · 2014-02-05 · 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{BG7E6HO5RXMVB52QKFURAFKB4U}

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	2026-05-18T03:00:01.648442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09be4f1ddd8dd950f7505169101541e52dd020e06fea728577914b07e5b2b838

Aliases

arxiv: 1402.1125 · arxiv_version: 1402.1125v1 · doi: 10.48550/arxiv.1402.1125 · pith_short_12: BG7E6HO5RXMV · pith_short_16: BG7E6HO5RXMVB52Q · pith_short_8: BG7E6HO5

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/BG7E6HO5RXMVB52QKFURAFKB4U \
  | 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: 09be4f1ddd8dd950f7505169101541e52dd020e06fea728577914b07e5b2b838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983d17ffc6519217a3a57c9e76e55f81ba04c3ead53e1b098b230f83f037505e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-02-05T18:52:54Z",
    "title_canon_sha256": "fe41d5521c70b37ff8909a755d5c39bdfd09c2e17a6b0279441e5526c94e4adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1125",
    "kind": "arxiv",
    "version": 1
  }
}