Pith Number

pith:FPPAPL7L

pith:2021:FPPAPL7LRSMRRW5W4IWQV6LL7T

not attested not anchored not stored refs pending

On Well-Structured Convex-Concave Saddle Point Problems and Variational Inequalities with Monotone Operators

Anatoli Juditsky, Arkadi Nemirovski

arxiv:2102.01002 v7 · 2021-02-01 · 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{FPPAPL7LRSMRRW5W4IWQV6LL7T}

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	2026-06-25T00:18:10.269845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bde07afeb8c9918dbb6e22d0af96bfcfd7935ac882f2c3644402903fa4c7208

Aliases

arxiv: 2102.01002 · arxiv_version: 2102.01002v7 · doi: 10.48550/arxiv.2102.01002 · pith_short_12: FPPAPL7LRSMR · pith_short_16: FPPAPL7LRSMRRW5W · pith_short_8: FPPAPL7L

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/FPPAPL7LRSMRRW5W4IWQV6LL7T \
  | 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: 2bde07afeb8c9918dbb6e22d0af96bfcfd7935ac882f2c3644402903fa4c7208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3caa724e52e5d82602061c59c5e685e57ed0a7224fb43383209412f22eda1b75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-01T17:25:42Z",
    "title_canon_sha256": "5591bed15eefd5c6862c925a6468dd87dad064d45fe614199d031749c907e7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01002",
    "kind": "arxiv",
    "version": 7
  }
}