Pith Number

pith:KW3MDVD3

pith:2018:KW3MDVD3K4VBICGX27H7ASZANC

not attested not anchored not stored refs pending

A Non-Intrusive Parallel-in-Time Approach for Simultaneous Optimization with Unsteady PDEs

Jacob B. Schroder, Nicolas R. Gauger, Stefanie G\"unther

arxiv:1801.06356 v2 · 2018-01-19 · 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{KW3MDVD3K4VBICGX27H7ASZANC}

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	2026-05-18T00:22:18.357432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b6c1d47b572a1408d7d7cff04b206886c44db7447fe0c51f39c59949c76395

Aliases

arxiv: 1801.06356 · arxiv_version: 1801.06356v2 · doi: 10.48550/arxiv.1801.06356 · pith_short_12: KW3MDVD3K4VB · pith_short_16: KW3MDVD3K4VBICGX · pith_short_8: KW3MDVD3

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/KW3MDVD3K4VBICGX27H7ASZANC \
  | 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: 55b6c1d47b572a1408d7d7cff04b206886c44db7447fe0c51f39c59949c76395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "221ed35bbc1c5fa3ff213d5c9117912fea799e0d22735664ae6b3be01eef19e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-19T10:26:12Z",
    "title_canon_sha256": "4ab464fd3dfdcbbfac52bcb272cd294eb8f0056a49bb524c90cb6798930145d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06356",
    "kind": "arxiv",
    "version": 2
  }
}