Pith Number

pith:B5YGPNCJ

pith:2011:B5YGPNCJQFRU2YE37ETHHPOZAJ

not attested not anchored not stored refs pending

Multigrid solution of a distributed optimal control problem constrained by the Stokes equations

Ana Maria Soane, Andrei Draganescu

arxiv:1110.5281 v2 · 2011-10-24 · math.NA · 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{B5YGPNCJQFRU2YE37ETHHPOZAJ}

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	2026-05-18T03:51:14.356816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7067b44981634d609bf92673bdd90247e075a22e4353d2b74e2561ec5623fd

Aliases

arxiv: 1110.5281 · arxiv_version: 1110.5281v2 · doi: 10.48550/arxiv.1110.5281 · pith_short_12: B5YGPNCJQFRU · pith_short_16: B5YGPNCJQFRU2YE3 · pith_short_8: B5YGPNCJ

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/B5YGPNCJQFRU2YE37ETHHPOZAJ \
  | 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: 0f7067b44981634d609bf92673bdd90247e075a22e4353d2b74e2561ec5623fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730ec9183890e2ad71ac5111d2d8ee666dd85cf964cb1f232f2104f325e70106",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-10-24T17:14:07Z",
    "title_canon_sha256": "4ad899b136429bea60df6b6b1e719e7aa7c982fb7926f4c2ae33c824c7638088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5281",
    "kind": "arxiv",
    "version": 2
  }
}