Pith Number

pith:427ATVLS

pith:2016:427ATVLSJKNNPJPFZJDCX7FKD7

not attested not anchored not stored refs pending

An exponential-type integrator for the KdV equation

Katharina Schratz, Martina Hofmanova

arxiv:1601.05311 v3 · 2016-01-20 · 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{427ATVLSJKNNPJPFZJDCX7FKD7}

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	2026-05-18T00:54:58.130298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6be09d5724a9ad7a5e5ca462bfcaa1fdc007ae286a990222688f6dd39e0102d

Aliases

arxiv: 1601.05311 · arxiv_version: 1601.05311v3 · doi: 10.48550/arxiv.1601.05311 · pith_short_12: 427ATVLSJKNN · pith_short_16: 427ATVLSJKNNPJPF · pith_short_8: 427ATVLS

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/427ATVLSJKNNPJPFZJDCX7FKD7 \
  | 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: e6be09d5724a9ad7a5e5ca462bfcaa1fdc007ae286a990222688f6dd39e0102d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d10da11af174b58fba9d29c671ed96612b3f0aecb56371d713fb9fecdee6ddc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-20T15:47:33Z",
    "title_canon_sha256": "59266600004d4574745829a8dfa3c1b2868d9d2ffe5e0c75be8d6888d37ba18d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05311",
    "kind": "arxiv",
    "version": 3
  }
}