Pith Number

pith:A4K2AVQR

pith:2026:A4K2AVQRUG5VPT5IHKZP7QJIJN

not attested not anchored not stored refs pending

Global and local helicity-preservation in the finite element discretization of magnetic relaxation

Ganghui Zhang, Kaibo Hu, Mingdong He, Patrick E. Farrell

arxiv:2603.12134 v2 · 2026-03-12 · math.NA · cs.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{A4K2AVQRUG5VPT5IHKZP7QJIJN}

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	2026-07-20T01:18:28.814532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0715a05611a1bb57cfa83ab2ffc1284b53ee97349b7fa21d36e139f98b838b54

Aliases

arxiv: 2603.12134 · arxiv_version: 2603.12134v2 · doi: 10.48550/arxiv.2603.12134 · pith_short_12: A4K2AVQRUG5V · pith_short_16: A4K2AVQRUG5VPT5I · pith_short_8: A4K2AVQR

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/A4K2AVQRUG5VPT5IHKZP7QJIJN \
  | 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: 0715a05611a1bb57cfa83ab2ffc1284b53ee97349b7fa21d36e139f98b838b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5071ddd18dd8a978ea853b990ce59cf8979890bd69a40234b7f870689f7c1faa",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-03-12T16:39:37Z",
    "title_canon_sha256": "a0ad221c839ea2178df188fbbcec3433af4094820ab42265b872db70ce9089b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.12134",
    "kind": "arxiv",
    "version": 2
  }
}