Pith Number

pith:4KPZOONJ

pith:2019:4KPZOONJ6SIIPWOLKF4GJ4LAXT

not attested not anchored not stored refs pending

Line Integral solution of Hamiltonian PDEs

Felice Iavernaro, Gianluca Frasca-Caccia, Luigi Brugnano

arxiv:1903.06704 v1 · 2019-03-15 · 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{4KPZOONJ6SIIPWOLKF4GJ4LAXT}

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	2026-05-17T23:51:04.678154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29f9739a9f49087d9cb517864f160bcc9624953f22ddf0f71e312e29f64a6be

Aliases

arxiv: 1903.06704 · arxiv_version: 1903.06704v1 · doi: 10.48550/arxiv.1903.06704 · pith_short_12: 4KPZOONJ6SII · pith_short_16: 4KPZOONJ6SIIPWOL · pith_short_8: 4KPZOONJ

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/4KPZOONJ6SIIPWOLKF4GJ4LAXT \
  | 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: e29f9739a9f49087d9cb517864f160bcc9624953f22ddf0f71e312e29f64a6be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c36cbf93d82b52a73c888282fce417e833cc3dba8d0b3fa31a718d0692c69ef1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-15T17:56:50Z",
    "title_canon_sha256": "c18a04fa45f080a522965ed96d0a25a2d881d1c074a26fd1ead1956e82b2ffd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06704",
    "kind": "arxiv",
    "version": 1
  }
}