Pith Number

pith:U6ARJNKX

pith:2017:U6ARJNKXWBZXHGHTRL2Y7TGEVV

not attested not anchored not stored refs pending

Evolution of Relative Magnetic Helicity: New Boundary Conditions for the Vector Potential

HongQi Zhang, Jan Skala, Joerg Buechner, Shangbin Yang

arxiv:1712.09219 v1 · 2017-12-26 · 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{U6ARJNKXWBZXHGHTRL2Y7TGEVV}

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	2026-05-18T00:14:46.639338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78114b557b0737398f38af58fccc4ad70ee810f631a267c3cbab333511df6aa

Aliases

arxiv: 1712.09219 · arxiv_version: 1712.09219v1 · doi: 10.48550/arxiv.1712.09219 · pith_short_12: U6ARJNKXWBZX · pith_short_16: U6ARJNKXWBZXHGHT · pith_short_8: U6ARJNKX

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/U6ARJNKXWBZXHGHTRL2Y7TGEVV \
  | 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: a78114b557b0737398f38af58fccc4ad70ee810f631a267c3cbab333511df6aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aaf7f7f83326fa070bbfb5a0c0564a5f4c6defb8e644aaf74172a2128ad5a48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-26T09:22:27Z",
    "title_canon_sha256": "123b6ff69ce5b1ffaaf48665a523ad5335cf713f5fdcb9231d9b5a012a77a281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09219",
    "kind": "arxiv",
    "version": 1
  }
}