Pith Number

pith:FBCSYYY4

pith:2019:FBCSYYY4CFDVOYZJPDRDP5ZKEJ

not attested not anchored not stored refs pending

Statistical Analysis and Catalog of Non-polar Coronal Holes Covering the SDO-era using CATCH

Astrid M. Veronig, Evangelia Samara, Karin Dissauer, Manuela Temmer, Niko Heinemann, Stefan J. Hofmeister, Stephan G. Heinemann, Veronika Jer\v{c}i\'c

arxiv:1907.01990 v3 · 2019-07-03 · 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{FBCSYYY4CFDVOYZJPDRDP5ZKEJ}

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	2026-07-05T00:17:07.730403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28452c631c114757632978e237f72a224c598987dfbe74ca759295736efb6f39

Aliases

arxiv: 1907.01990 · arxiv_version: 1907.01990v3 · doi: 10.48550/arxiv.1907.01990 · pith_short_12: FBCSYYY4CFDV · pith_short_16: FBCSYYY4CFDVOYZJ · pith_short_8: FBCSYYY4

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/FBCSYYY4CFDVOYZJPDRDP5ZKEJ \
  | 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: 28452c631c114757632978e237f72a224c598987dfbe74ca759295736efb6f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d1f0bad42b04f49abea682a5d7f86bf0978967cc091b33c5d6a057340a0c89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-03T15:27:12Z",
    "title_canon_sha256": "e25d7b5dca11ef56e8b3311831189ebcd17a3729c0263e642f43dc0001f9b768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01990",
    "kind": "arxiv",
    "version": 3
  }
}