Pith Number

pith:42HQYDWP

pith:2016:42HQYDWPZJNAKGOKDUXYQAJTPE

not attested not anchored not stored refs pending

Uniformly accurate exponential-type integrators for klein-gordon equations with asymptotic convergence to classical splitting schemes in the nonlinear schroedinger limit

Erwan Faou (IPSO, IRMAR), Katharina Schratz (KIT), Simon Baumstark (KIT)

arxiv:1606.04652 v2 · 2016-06-15 · math.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{42HQYDWPZJNAKGOKDUXYQAJTPE}

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	2026-05-18T00:52:34.253389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68f0c0ecfca5a0519ca1d2f8801337918b93c6f3c14fd83eba51116dd3d3c5e

Aliases

arxiv: 1606.04652 · arxiv_version: 1606.04652v2 · doi: 10.48550/arxiv.1606.04652 · pith_short_12: 42HQYDWPZJNA · pith_short_16: 42HQYDWPZJNAKGOK · pith_short_8: 42HQYDWP

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/42HQYDWPZJNAKGOKDUXYQAJTPE \
  | 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: e68f0c0ecfca5a0519ca1d2f8801337918b93c6f3c14fd83eba51116dd3d3c5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea357785d4718847e8b747a4e0f50875c8eb3f719834294292ec0831f851c4c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-15T06:14:23Z",
    "title_canon_sha256": "fd2eb8bb67bea25a2a584d00cb6473548c859596d61d8609e4d115b918e33c88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04652",
    "kind": "arxiv",
    "version": 2
  }
}