Pith Number

pith:U7QHOLXY

pith:2018:U7QHOLXY5RPBGWME6IO76DOSLV

not attested not anchored not stored refs pending

An Automated Algorithm for Identifying and Tracking Transverse Waves in Solar Images

James A. McLaughlin, Micah J. Weberg, Richard J. Morton

arxiv:1807.04842 v1 · 2018-07-12 · 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{U7QHOLXY5RPBGWME6IO76DOSLV}

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	2026-05-18T00:10:49.662495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e0772ef8ec5e135984f21dff0dd25d558ef48234290273be8f769f6ed12e29

Aliases

arxiv: 1807.04842 · arxiv_version: 1807.04842v1 · doi: 10.48550/arxiv.1807.04842 · pith_short_12: U7QHOLXY5RPB · pith_short_16: U7QHOLXY5RPBGWME · pith_short_8: U7QHOLXY

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/U7QHOLXY5RPBGWME6IO76DOSLV \
  | 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: a7e0772ef8ec5e135984f21dff0dd25d558ef48234290273be8f769f6ed12e29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84479d508613d24696011c71a954a6c738b18151ec0ae9bcd43dbbd27a0f9a5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-12T21:55:15Z",
    "title_canon_sha256": "d9862ba3bf3adbe13bed9bc3100888e419cf9cdf4967ba6eefbaef822b18afc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04842",
    "kind": "arxiv",
    "version": 1
  }
}