Pith Number

pith:FRPVNTSJ

pith:2015:FRPVNTSJO26ZV3DVZ6L7XNV7EC

not attested not anchored not stored refs pending

Automatic Detection of Magnetic delta in Sunspot Groups

D. Shaun Bloomfield, Paul A. Higgins, Peter T. Gallagher, Sreejith Padinhatteeri

arxiv:1510.06413 v1 · 2015-10-21 · 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{FRPVNTSJO26ZV3DVZ6L7XNV7EC}

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	2026-05-18T01:22:35.163967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c5f56ce4976bd9aec75cf97fbb6bf20a472393817b7a86b685aceceb3f697ea

Aliases

arxiv: 1510.06413 · arxiv_version: 1510.06413v1 · doi: 10.48550/arxiv.1510.06413 · pith_short_12: FRPVNTSJO26Z · pith_short_16: FRPVNTSJO26ZV3DV · pith_short_8: FRPVNTSJ

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/FRPVNTSJO26ZV3DVZ6L7XNV7EC \
  | 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: 2c5f56ce4976bd9aec75cf97fbb6bf20a472393817b7a86b685aceceb3f697ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdbc1c35d02b1138a958ff977f0824fe19a6219a463fc77ce03f8069cd157040",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-21T20:12:14Z",
    "title_canon_sha256": "f59c127f26ad622c3df0a5151a24875cdb283e1b6a0602abdbf6613a7c9cc16c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06413",
    "kind": "arxiv",
    "version": 1
  }
}