Pith Number

pith:FZ2M5CRN

pith:2016:FZ2M5CRNSQGWFFT7V5MFUWWW3H

not attested not anchored not stored refs pending

Sunspot rotation. II. Effects of varying the field strength and twist of an emerging flux tube

A. W. Hood, Z. Sturrock

arxiv:1605.07378 v1 · 2016-05-24 · 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{FZ2M5CRNSQGWFFT7V5MFUWWW3H}

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	2026-05-18T01:04:12.787709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e74ce8a2d940d62967faf585a5ad6d9ef318ebcac07748929bc80b17fe14f70

Aliases

arxiv: 1605.07378 · arxiv_version: 1605.07378v1 · doi: 10.48550/arxiv.1605.07378 · pith_short_12: FZ2M5CRNSQGW · pith_short_16: FZ2M5CRNSQGWFFT7 · pith_short_8: FZ2M5CRN

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/FZ2M5CRNSQGWFFT7V5MFUWWW3H \
  | 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: 2e74ce8a2d940d62967faf585a5ad6d9ef318ebcac07748929bc80b17fe14f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2bef524b2cd67bfc9ba4e39041ed4b5f5cfb829a8ac33796d4fe6e243207c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-24T11:15:49Z",
    "title_canon_sha256": "11d5acf46d525a8ae40c0da31a8fbc8ed690241c1b825fb9cce58fb0d1142f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07378",
    "kind": "arxiv",
    "version": 1
  }
}