Pith Number

pith:U5IVYXID

pith:2019:U5IVYXID7I5W45RBX3HCE22CFG

not attested not anchored not stored refs pending

Totally Asynchronous Distributed Quadratic Programming with Independent Stepsizes and Regularizations

Matthew Hale, Matthew Ubl

arxiv:1903.08618 v1 · 2019-03-20 · 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{U5IVYXID7I5W45RBX3HCE22CFG}

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	2026-05-17T23:50:47.610282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7515c5d03fa3b6e7621bece226b4229be09d189ab61b3edc78ec5a6ce283b35

Aliases

arxiv: 1903.08618 · arxiv_version: 1903.08618v1 · doi: 10.48550/arxiv.1903.08618 · pith_short_12: U5IVYXID7I5W · pith_short_16: U5IVYXID7I5W45RB · pith_short_8: U5IVYXID

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/U5IVYXID7I5W45RBX3HCE22CFG \
  | 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: a7515c5d03fa3b6e7621bece226b4229be09d189ab61b3edc78ec5a6ce283b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca0461f8ea2cf366f50a3209825390d2dcc9ba6550c3d14de7239c140765ecc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-20T17:03:15Z",
    "title_canon_sha256": "5214f72e5b6eaf33bbe44c6a551d71250e756b0c525125409bd1bb9472241574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08618",
    "kind": "arxiv",
    "version": 1
  }
}