Pith Number

pith:MQOJ2JIY

pith:2020:MQOJ2JIYNSAL5SJQNDSUNC2MRI

not attested not anchored not stored refs pending

The Galactic cosmic ray intensity at the evolving Earth and young exoplanets

A. A. Vidotto, A. M. Taylor, D. Rodgers-Lee, P. B. Rimmer, T. P. Downes

arxiv:2009.02173 v1 · 2020-09-04 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQOJ2JIYNSAL5SJQNDSUNC2MRI}

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	2026-07-05T01:47:04.646555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641c9d25186c80bec93068e5468b4c8a3602f1059a39647c9f8f1ab643b27c86

Aliases

arxiv: 2009.02173 · arxiv_version: 2009.02173v1 · doi: 10.48550/arxiv.2009.02173 · pith_short_12: MQOJ2JIYNSAL · pith_short_16: MQOJ2JIYNSAL5SJQ · pith_short_8: MQOJ2JIY

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/MQOJ2JIYNSAL5SJQNDSUNC2MRI \
  | 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: 641c9d25186c80bec93068e5468b4c8a3602f1059a39647c9f8f1ab643b27c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "920c971c2bd48e7bf5550f15d056f56450a890775fe1574318eea53a72dcae71",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-04T13:11:09Z",
    "title_canon_sha256": "9fdc1ca4463aa6f50a9e1ccf3228c3f16623ce76ef0466adad7901a2813261dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02173",
    "kind": "arxiv",
    "version": 1
  }
}