Pith Number

pith:IK44Z6UT

pith:2013:IK44Z6UTYA2WCMFLNPORODB477

not attested not anchored not stored refs pending

Construction and analysis of higher order Galerkin variational integrators

Nils Saake, Sina Ober-Bl\"obaum

arxiv:1304.1398 v2 · 2013-04-04 · 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{IK44Z6UTYA2WCMFLNPORODB477}

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	2026-05-18T02:54:47.095635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b9ccfa93c0356130ab6bdd170c3cffdeb9666b465b7cd7a73923f16c30ef0b

Aliases

arxiv: 1304.1398 · arxiv_version: 1304.1398v2 · doi: 10.48550/arxiv.1304.1398 · pith_short_12: IK44Z6UTYA2W · pith_short_16: IK44Z6UTYA2WCMFL · pith_short_8: IK44Z6UT

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/IK44Z6UTYA2WCMFLNPORODB477 \
  | 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: 42b9ccfa93c0356130ab6bdd170c3cffdeb9666b465b7cd7a73923f16c30ef0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b71bdfddddc319e5c9a290fab8670b4b74e8271c965c1643be125a0183fa12bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-04T15:27:38Z",
    "title_canon_sha256": "80a9fa052e3d070e7961193807c239b86aff9ceb4ea3180f8f34b57c39f0d4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1398",
    "kind": "arxiv",
    "version": 2
  }
}