Pith Number

pith:QIN5YGEP

pith:2015:QIN5YGEP7O4PIPZHCZMYUXSKVL

not attested not anchored not stored refs pending

Deriving Potential Coronal Magnetic Fields from Vector Magnetograms

Brian T. Welsch, George H. Fisher

arxiv:1503.08754 v4 · 2015-03-30 · 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{QIN5YGEP7O4PIPZHCZMYUXSKVL}

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	2026-05-18T01:12:21.487475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821bdc188ffbb8f43f2716598a5e4aaaf7a3961ef2733632535e9d76295c5b23

Aliases

arxiv: 1503.08754 · arxiv_version: 1503.08754v4 · doi: 10.48550/arxiv.1503.08754 · pith_short_12: QIN5YGEP7O4P · pith_short_16: QIN5YGEP7O4PIPZH · pith_short_8: QIN5YGEP

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/QIN5YGEP7O4PIPZHCZMYUXSKVL \
  | 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: 821bdc188ffbb8f43f2716598a5e4aaaf7a3961ef2733632535e9d76295c5b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab7e196555b6c328b3510ae5655308ea4cf2c896e5b2eb3e87fa0da6bb0df96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-30T17:29:54Z",
    "title_canon_sha256": "6f37ab6475dffe0e4549e13705cff309dc35ce640f382a75458758f55291a118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08754",
    "kind": "arxiv",
    "version": 4
  }
}