Pith Number

pith:R7GB2TTO

pith:2013:R7GB2TTOGYFJ3XRXE4RP2S7YAL

not attested not anchored not stored refs pending

An algorithm for solving the variational inequality problem over the fixed point set of a quasi-nonexpansive operator in Euclidean space

Andrzej Cegielski, Aviv Gibali, Rafa{\l} Zalas, Simeon Reich

arxiv:1304.0690 v1 · 2013-04-02 · 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{R7GB2TTOGYFJ3XRXE4RP2S7YAL}

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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.

Receipt and verification

First computed	2026-05-18T03:29:14.613218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fcc1d4e6e360a9dde372722fd4bf802e4d5a6e7dc6e8b05bf486ef9437765cb

Aliases

arxiv: 1304.0690 · arxiv_version: 1304.0690v1 · doi: 10.48550/arxiv.1304.0690 · pith_short_12: R7GB2TTOGYFJ · pith_short_16: R7GB2TTOGYFJ3XRX · pith_short_8: R7GB2TTO

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/R7GB2TTOGYFJ3XRXE4RP2S7YAL \
  | 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: 8fcc1d4e6e360a9dde372722fd4bf802e4d5a6e7dc6e8b05bf486ef9437765cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e0d19dfcfe82822589d12a2104319a45059f2ecad9d2972e9425109251a1a01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-04-02T16:54:19Z",
    "title_canon_sha256": "600d86a6a003e1bacb8652a2220356eeae065f3ff42eecbbd720b1309db8eec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0690",
    "kind": "arxiv",
    "version": 1
  }
}