Pith Number

pith:Q4DLHA5Z

pith:2022:Q4DLHA5Z2UUTMTLQRP45CQI3WF

not attested not anchored not stored refs pending

Quadratic error bound of the smoothed gap and the restarted averaged primal-dual hybrid gradient

IDS, IP Paris), Olivier Fercoq (S2A

arxiv:2206.03041 v2 · 2022-06-07 · math.OC

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

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\usepackage{pith}
\pithnumber{Q4DLHA5Z2UUTMTLQRP45CQI3WF}

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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.

Cited by

1 paper in Pith

On the convergence of doubly stochastic Primal-Dual Hybrid Gradient Method

Receipt and verification

First computed	2026-07-05T06:03:24.177082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8706b383b9d529364d708bf9d1411bb1449c086c63078ae05e4fe4591b10e507

Aliases

arxiv: 2206.03041 · arxiv_version: 2206.03041v2 · doi: 10.48550/arxiv.2206.03041 · pith_short_12: Q4DLHA5Z2UUT · pith_short_16: Q4DLHA5Z2UUTMTLQ · pith_short_8: Q4DLHA5Z

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/Q4DLHA5Z2UUTMTLQRP45CQI3WF \
  | 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: 8706b383b9d529364d708bf9d1411bb1449c086c63078ae05e4fe4591b10e507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e00dc3eff55d35dc4920e7fa83fdb3950ac2099b43978e918e694cf599469d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-06-07T06:32:28Z",
    "title_canon_sha256": "bef922a1b33182e1c8bca70c30c87de9b4181ed6210b7782867125664a614afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.03041",
    "kind": "arxiv",
    "version": 2
  }
}