Pith Number

pith:5ITSNO56

pith:2017:5ITSNO56MKI6EDXII2UL664UCS

not attested not anchored not stored refs pending

The primal-dual hybrid gradient method reduces to a primal method for linearly constrained optimization problems

Yura Malitsky

arxiv:1706.02602 v4 · 2017-06-08 · 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{5ITSNO56MKI6EDXII2UL664UCS}

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	2026-05-17T23:45:15.738119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2726bbbe6291e20ee846a8bf7b94149fbb97ade0dd28eb8a09d342f02302f6

Aliases

arxiv: 1706.02602 · arxiv_version: 1706.02602v4 · doi: 10.48550/arxiv.1706.02602 · pith_short_12: 5ITSNO56MKI6 · pith_short_16: 5ITSNO56MKI6EDXI · pith_short_8: 5ITSNO56

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/5ITSNO56MKI6EDXII2UL664UCS \
  | 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: ea2726bbbe6291e20ee846a8bf7b94149fbb97ade0dd28eb8a09d342f02302f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a73101cc1c862cf7f02cf003cdac65b65862286010a784c62c59d90ad94008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-08T14:15:47Z",
    "title_canon_sha256": "1acc094a778ac44f203e3ee49d629eec3b0dfe79bcc5777bbfa32966cccc4132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02602",
    "kind": "arxiv",
    "version": 4
  }
}