Pith Number

pith:OOGRTZ6S

pith:2019:OOGRTZ6SIDEBHXQIBNLPNTJXB2

not attested not anchored not stored refs pending

A global two-scale helicity proxy from $\pi$-ambiguous solar magnetic fields

Axel Brandenburg

arxiv:1906.03877 v4 · 2019-06-10 · 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{OOGRTZ6SIDEBHXQIBNLPNTJXB2}

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	2026-07-05T00:07:36.529206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738d19e7d240c813de080b56f6cd370e8b760c9fe61fefc1b35701e1017cdba3

Aliases

arxiv: 1906.03877 · arxiv_version: 1906.03877v4 · doi: 10.48550/arxiv.1906.03877 · pith_short_12: OOGRTZ6SIDEB · pith_short_16: OOGRTZ6SIDEBHXQI · pith_short_8: OOGRTZ6S

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/OOGRTZ6SIDEBHXQIBNLPNTJXB2 \
  | 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: 738d19e7d240c813de080b56f6cd370e8b760c9fe61fefc1b35701e1017cdba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "321b41de494f2bc3f17424473d455b52a682be561a4220339534fd43e4b3f2ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-10T10:17:24Z",
    "title_canon_sha256": "21898275938afb3e284e03670223607b9d8df7af7ad4df67abbf6ba98a3e4387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03877",
    "kind": "arxiv",
    "version": 4
  }
}