Pith Number

pith:QC6QA2KI

pith:2021:QC6QA2KIQKIIEPQEHZPSTBHEIL

not attested not anchored not stored refs pending

The Observational Uncertainty of Coronal Hole Boundaries in Automated Detection Schemes

Alexander Kosovichev, Amr Hamada, Astrid Veronig, Charles N. Arge, Chris Lowder, Christian M\"ostl, Egor Illarionov, ISWAT Coronal Hole Boundary Working Team, Karin Muglach, Larisza Krista, Martin A. Reiss, Michael S.F. Kirk, Peter J. MacNeice, Rachel Bailey, Robert Jarolim, Sangwoo Lee, Stefan Hofmeister, Tadhg M. Garton, Veronique Delouille

arxiv:2103.14403 v1 · 2021-03-26 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QC6QA2KIQKIIEPQEHZPSTBHEIL}

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	2026-07-05T02:44:56.869157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80bd0069488290823e043e5f2984e442cd1cbda55c71c8d311663ed399906537

Aliases

arxiv: 2103.14403 · arxiv_version: 2103.14403v1 · doi: 10.48550/arxiv.2103.14403 · pith_short_12: QC6QA2KIQKII · pith_short_16: QC6QA2KIQKIIEPQE · pith_short_8: QC6QA2KI

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/QC6QA2KIQKIIEPQEHZPSTBHEIL \
  | 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: 80bd0069488290823e043e5f2984e442cd1cbda55c71c8d311663ed399906537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "232e1007402aaa6b9118ddcd3a9b420b77b79c07842a4718cd3e337f6c5eba14",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-26T11:20:58Z",
    "title_canon_sha256": "2f0d53aeffe28a2c248f2c6e9acf6d3ccd25c6480090fb222c1446410aae2bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14403",
    "kind": "arxiv",
    "version": 1
  }
}