Pith Number

pith:X4JQ2WOG

pith:2022:X4JQ2WOG66UCNXP3R5I772R5YR

not attested not anchored not stored refs pending

Imaging of the Quiet Sun in the Frequency Range of 20-80 MHz

Andrzej Krankowski, Bartosz Dabrowski, Christian Vocks, Chuanbing Wang, Eoin Carley, Jasmina Magdalenic, Kamen Kozarev, Peijin Zhang, Pietro Zucca, Thomas Franzen

arxiv:2205.00065 v1 · 2022-04-29 · 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{X4JQ2WOG66UCNXP3R5I772R5YR}

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	2026-07-05T04:33:35.522071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf130d59c6f7a826ddfb8f51ffea3dc4678c1ba0dce8fcdf2514d7e119c20401

Aliases

arxiv: 2205.00065 · arxiv_version: 2205.00065v1 · doi: 10.48550/arxiv.2205.00065 · pith_short_12: X4JQ2WOG66UC · pith_short_16: X4JQ2WOG66UCNXP3 · pith_short_8: X4JQ2WOG

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/X4JQ2WOG66UCNXP3R5I772R5YR \
  | 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: bf130d59c6f7a826ddfb8f51ffea3dc4678c1ba0dce8fcdf2514d7e119c20401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600ba04b88b6c3f439ffcbc00eff4213cc8b7c4f063bac86954e77298a4b180e",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-29T20:18:44Z",
    "title_canon_sha256": "dfb7831c8b449bb5d9fbe3c0489e7a90cec10ffb9d8d0f287b38e9c747222d3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.00065",
    "kind": "arxiv",
    "version": 1
  }
}