Pith Number

pith:V6QFJ6FH

pith:2015:V6QFJ6FHBEYE6D2DZDSMPY7C7D

not attested not anchored not stored refs pending

Variational Integrators for Reduced Magnetohydrodynamics

Daniela Grasso, Emanuele Tassi, Michael Kraus

arxiv:1511.09314 v2 · 2015-11-30 · physics.comp-ph · math.NA · physics.plasm-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6QFJ6FHBEYE6D2DZDSMPY7C7D}

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	2026-05-18T00:33:44.263954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa054f8a709304f0f43c8e4c7e3e2f8c97fb6f2afe58d50cc617fb86e0fc429

Aliases

arxiv: 1511.09314 · arxiv_version: 1511.09314v2 · doi: 10.48550/arxiv.1511.09314 · pith_short_12: V6QFJ6FHBEYE · pith_short_16: V6QFJ6FHBEYE6D2D · pith_short_8: V6QFJ6FH

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/V6QFJ6FHBEYE6D2DZDSMPY7C7D \
  | 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: afa054f8a709304f0f43c8e4c7e3e2f8c97fb6f2afe58d50cc617fb86e0fc429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1748680af3bb749a0896732b4015cb78706adec8f0cd3b9d62156b5bf1dc2da2",
    "cross_cats_sorted": [
      "math.NA",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-11-30T14:09:55Z",
    "title_canon_sha256": "373528d5e216a7523d0436b078be256397c5ab9c8c241b36fd918ecf927e733d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09314",
    "kind": "arxiv",
    "version": 2
  }
}