Pith Number

pith:5UAQQLSP

pith:2019:5UAQQLSPATUFUZNXZ6UUMZPW44

not attested not anchored not stored refs pending

A Machine Learning Dataset Prepared From the NASA Solar Dynamics Observatory Mission

Alexandre Szenicer, Andr\'es Mu\~noz-Jaramillo, David F. Fouhey, James Mason, Mark C. M. Cheung, Meng Jin, Monica G. Bobra, Paul J. Wright, Rajat Thomas, Richard Galvez, Yang Liu

arxiv:1903.04538 v1 · 2019-03-11 · astro-ph.SR · cs.AI · cs.DB · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UAQQLSPATUFUZNXZ6UUMZPW44}

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	2026-05-17T23:46:12.063095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed01082e4f04e85a65b7cfa94665f6e73b52cb27b1b9ea2e4c02717b1580a897

Aliases

arxiv: 1903.04538 · arxiv_version: 1903.04538v1 · doi: 10.48550/arxiv.1903.04538 · pith_short_12: 5UAQQLSPATUF · pith_short_16: 5UAQQLSPATUFUZNX · pith_short_8: 5UAQQLSP

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/5UAQQLSPATUFUZNXZ6UUMZPW44 \
  | 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: ed01082e4f04e85a65b7cfa94665f6e73b52cb27b1b9ea2e4c02717b1580a897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61788ba924dd7b980f2e8016455feec9636cb173ccb25ea6abc0744e79e70ca",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-11T18:50:48Z",
    "title_canon_sha256": "d9a7c9662b6b5b05628893e7cff93099d8cb20868f725496859d2835466f6a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04538",
    "kind": "arxiv",
    "version": 1
  }
}