Pith Number

pith:TTL4J3CV

pith:2018:TTL4J3CVQYP37IM7DSWDQYAMWI

not attested not anchored not stored refs pending

A New Parareal Algorithm for Time-Periodic Problems with Discontinuous Inputs

Iryna Kulchytska-Ruchka, Martin J. Gander, Sebastian Sch\"ops

arxiv:1810.12372 v1 · 2018-10-29 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTL4J3CVQYP37IM7DSWDQYAMWI}

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	2026-06-04T20:13:33.781121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cd7c4ec55861fbfa19f1cac38600cb21f18079e3197ecae8600c651517705ed

Aliases

arxiv: 1810.12372 · arxiv_version: 1810.12372v1 · doi: 10.48550/arxiv.1810.12372 · pith_short_12: TTL4J3CVQYP3 · pith_short_16: TTL4J3CVQYP37IM7 · pith_short_8: TTL4J3CV

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/TTL4J3CVQYP37IM7DSWDQYAMWI \
  | 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: 9cd7c4ec55861fbfa19f1cac38600cb21f18079e3197ecae8600c651517705ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95aae309bebe5d1ccc73a7493af15a0714765995cd6c833cf87148612ebfb81f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-29T19:28:01Z",
    "title_canon_sha256": "54f3504e81d8015192c8ec0552b5d6dd71e13e433e9184582812a01e886eeb7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12372",
    "kind": "arxiv",
    "version": 1
  }
}