Pith Number

pith:7GUHGSVW

pith:2021:7GUHGSVWOIILHPLK6JU3MLXWEP

not attested not anchored not stored refs pending

Statistical Approach on Differential EmissionMeasure of Coronal Holes using the CATCH Catalog

Astrid M. Veronig, Jonas Saqri, Manuela Temmer, Stefan J. Hofmeister, Stephan G. Heinemann

arxiv:2102.13396 v1 · 2021-02-26 · 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{7GUHGSVWOIILHPLK6JU3MLXWEP}

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	2026-07-05T02:18:37.087104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a8734ab67210b3bd6af269b62ef623ff42674e8f3d65175ebe264cc53c09c7

Aliases

arxiv: 2102.13396 · arxiv_version: 2102.13396v1 · doi: 10.48550/arxiv.2102.13396 · pith_short_12: 7GUHGSVWOIIL · pith_short_16: 7GUHGSVWOIILHPLK · pith_short_8: 7GUHGSVW

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/7GUHGSVWOIILHPLK6JU3MLXWEP \
  | 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: f9a8734ab67210b3bd6af269b62ef623ff42674e8f3d65175ebe264cc53c09c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6264bdd4c22ed783d70eb7daf778acd5d99892fc8c56edb3b182b9971eace261",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-26T11:17:36Z",
    "title_canon_sha256": "75e86e0f803eb13ff556068345d1067946185a734738c7858efb90e491904982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13396",
    "kind": "arxiv",
    "version": 1
  }
}