Pith Number

pith:ML6R4V7N

pith:2017:ML6R4V7NMBVY6TCGZH5P5VLPQG

not attested not anchored not stored refs pending

The formation of small-scale umbral brightenings in sunspot atmospheres

C. J. Nelson, F. P. Keenan, M. Mathioudakis, V. M. J. Henriques

arxiv:1705.05617 v1 · 2017-05-16 · 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{ML6R4V7NMBVY6TCGZH5P5VLPQG}

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	2026-05-18T00:35:58.844923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62fd1e57ed606b8f4c46c9fafed56f818c0112cf0fa5027cf2f6e9f4890cab64

Aliases

arxiv: 1705.05617 · arxiv_version: 1705.05617v1 · doi: 10.48550/arxiv.1705.05617 · pith_short_12: ML6R4V7NMBVY · pith_short_16: ML6R4V7NMBVY6TCG · pith_short_8: ML6R4V7N

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/ML6R4V7NMBVY6TCGZH5P5VLPQG \
  | 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: 62fd1e57ed606b8f4c46c9fafed56f818c0112cf0fa5027cf2f6e9f4890cab64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c708ce6c4a49e977c407236b974e36f345e450f13c670a0032eb0e267f696494",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-16T09:48:40Z",
    "title_canon_sha256": "29614c59c6fe66477dc3a4a5f62fe24f4a6226a6d0413f4ddb58c8b6a8b81d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05617",
    "kind": "arxiv",
    "version": 1
  }
}