Pith Number

pith:LDH5YEPO

pith:2017:LDH5YEPOXBBMK2VUCQPFNOWLHE

not attested not anchored not stored refs pending

Evidence for two-loop interaction from IRIS and SDO observations of penumbral brightenings

A. Koukras, A. Nindos, C. E. Alissandrakis, S. Patsourakos

arxiv:1704.07344 v1 · 2017-04-24 · 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{LDH5YEPOXBBMK2VUCQPFNOWLHE}

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	2026-05-18T00:40:30.105005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58cfdc11eeb842c56ab4141e56bacb39052457f338761479eb9b154fc80fda85

Aliases

arxiv: 1704.07344 · arxiv_version: 1704.07344v1 · doi: 10.48550/arxiv.1704.07344 · pith_short_12: LDH5YEPOXBBM · pith_short_16: LDH5YEPOXBBMK2VU · pith_short_8: LDH5YEPO

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/LDH5YEPOXBBMK2VUCQPFNOWLHE \
  | 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: 58cfdc11eeb842c56ab4141e56bacb39052457f338761479eb9b154fc80fda85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2ab53bfeff691f5285effb878760e41b81a944dd21356a545eaec8959d1423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-24T17:38:36Z",
    "title_canon_sha256": "4fd89b0e786687d88f7760986be93e8793fe524c49a0e072f6c1be0ec9380365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07344",
    "kind": "arxiv",
    "version": 1
  }
}