Pith Number

pith:MP75XXQG

pith:2013:MP75XXQGN2NLMRSR6RQHTF5DGG

not attested not anchored not stored refs pending

Method of Relative Magnetic Helicity Computation II: Boundary Conditions for the Vector Potentials

HongQi Zhang, Jean Carlo Santos, J\"org B\"uchner, Shangbin Yang

arxiv:1304.3526 v1 · 2013-04-12 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MP75XXQGN2NLMRSR6RQHTF5DGG}

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	2026-05-18T03:28:07.476556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ffdbde066e9ab64651f4607997a331a938e536d7eb4bbfedcc31dd6186dc1a

Aliases

arxiv: 1304.3526 · arxiv_version: 1304.3526v1 · doi: 10.48550/arxiv.1304.3526 · pith_short_12: MP75XXQGN2NL · pith_short_16: MP75XXQGN2NLMRSR · pith_short_8: MP75XXQG

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/MP75XXQGN2NLMRSR6RQHTF5DGG \
  | 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: 63ffdbde066e9ab64651f4607997a331a938e536d7eb4bbfedcc31dd6186dc1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0252fc673eef46d9d18fb5b72bca06a65adaf6590ed857d01a5eed6544bff4c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-12T02:41:35Z",
    "title_canon_sha256": "d075fd7138fa4c5fac2a4810484d4b550cecc83c1cf6142014b30e153574f2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3526",
    "kind": "arxiv",
    "version": 1
  }
}