Pith Number

pith:RRDM355M

pith:2019:RRDM355MJYDIQCXPCJTNHB2B3Z

not attested not anchored not stored refs pending

Efficient Parallel-in-Time Solution of Time-Periodic Problems Using a Multi-Harmonic Coarse Grid Correction

Iryna Kulchytska-Ruchka, Sebastian Sch\"ops

arxiv:1908.05245 v2 · 2019-08-13 · 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{RRDM355MJYDIQCXPCJTNHB2B3Z}

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	2026-07-05T01:16:39.965206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c46cdf7ac4e06880aef1266d38741de5f14e4063b78076669053ecdf73b638b

Aliases

arxiv: 1908.05245 · arxiv_version: 1908.05245v2 · doi: 10.48550/arxiv.1908.05245 · pith_short_12: RRDM355MJYDI · pith_short_16: RRDM355MJYDIQCXP · pith_short_8: RRDM355M

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/RRDM355MJYDIQCXPCJTNHB2B3Z \
  | 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: 8c46cdf7ac4e06880aef1266d38741de5f14e4063b78076669053ecdf73b638b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f695e36d49aad5e54c03f7801602c2cde7132d0142699514adea7ed0086d8a",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-13T15:34:35Z",
    "title_canon_sha256": "ee0b03147e5605c89acc2cd3998b6f55a1a03ee1348f97d6c3a7cb40ac0a2cc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05245",
    "kind": "arxiv",
    "version": 2
  }
}