Pith Number

pith:SSNJ4UZ7

pith:2019:SSNJ4UZ7VKAFU7OYLPSGTV27F7

not attested not anchored not stored refs pending

Was the Sun a Slow Rotator? -- Sodium and Potassium Constraints from the Lunar Regolith

Avi M. Mandell, Natalie M. Curran, Noah E. Petro, Prabal Saxena, Rosemary M. Killen, Vladimir Airapetian

arxiv:1906.05892 v1 · 2019-06-13 · astro-ph.EP · 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{SSNJ4UZ7VKAFU7OYLPSGTV27F7}

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	2026-05-17T23:43:24.107166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949a9e533faa805a7dd85be469d75f2fd5c80794daa02138b965cb4c9c2f68a4

Aliases

arxiv: 1906.05892 · arxiv_version: 1906.05892v1 · doi: 10.48550/arxiv.1906.05892 · pith_short_12: SSNJ4UZ7VKAF · pith_short_16: SSNJ4UZ7VKAFU7OY · pith_short_8: SSNJ4UZ7

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/SSNJ4UZ7VKAFU7OYLPSGTV27F7 \
  | 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: 949a9e533faa805a7dd85be469d75f2fd5c80794daa02138b965cb4c9c2f68a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569956b1eae375ddda803031654d4e9eb794896520a16ef9f93544fa42464eb9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-13T18:56:37Z",
    "title_canon_sha256": "a8c28a7f8e55dd81e953050218b7c6f36d9d68f88c5ec7c2faf71e917253a3eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05892",
    "kind": "arxiv",
    "version": 1
  }
}