Pith Number

pith:ACEQWCZS

pith:2026:ACEQWCZSTVBZE2AXOKJONVW777

not attested not anchored not stored refs pending

Efficient Gradient Methods for Distributed Saddle Problems

Anton Rodomanov, Ruichen Luo, Sebastian U. Stich

arxiv:2605.18604 v1 · 2026-05-18 · math.OC · cs.DC · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACEQWCZSTVBZE2AXOKJONVW777}

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	2026-05-20T00:06:10.477189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00890b0b329d439268177292e6d6dfffc2044aa16c2df13b29613c068a38c7e7

Aliases

arxiv: 2605.18604 · arxiv_version: 2605.18604v1 · doi: 10.48550/arxiv.2605.18604 · pith_short_12: ACEQWCZSTVBZ · pith_short_16: ACEQWCZSTVBZE2AX · pith_short_8: ACEQWCZS

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/ACEQWCZSTVBZE2AXOKJONVW777 \
  | 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: 00890b0b329d439268177292e6d6dfffc2044aa16c2df13b29613c068a38c7e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb07901f834dc78d7f70d2f5e8336a5268d28491a77546ed5f0cf42d9799a91f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-18T16:14:04Z",
    "title_canon_sha256": "bb19babd82e77cdc603248f3b34888557f0142391fc8687d4f46b51d92d33038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18604",
    "kind": "arxiv",
    "version": 1
  }
}