Pith Number

pith:CG275SWN

pith:2019:CG275SWNBFKRA66PVXSJDHPXH2

not attested not anchored not stored refs pending

Examining the Radius Valley: a Machine Learning Approach

Mariah G. MacDonald

arxiv:1905.12048 v1 · 2019-05-28 · 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{CG275SWNBFKRA66PVXSJDHPXH2}

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	2026-05-17T23:43:34.132209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b5fecacd0955107bcfade4919df73eb2ce76caf0bf40efcdeb4da017faaef6

Aliases

arxiv: 1905.12048 · arxiv_version: 1905.12048v1 · doi: 10.48550/arxiv.1905.12048 · pith_short_12: CG275SWNBFKR · pith_short_16: CG275SWNBFKRA66P · pith_short_8: CG275SWN

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/CG275SWNBFKRA66PVXSJDHPXH2 \
  | 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: 11b5fecacd0955107bcfade4919df73eb2ce76caf0bf40efcdeb4da017faaef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d11312bcd513cc368c929f01467c8817d00d2a47f7db998fcf9e040e2d2805fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-28T19:45:29Z",
    "title_canon_sha256": "39d09ec99dcf6934eec1ba37e4a0a81951051ce833013ef1585e99bc9da4a370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12048",
    "kind": "arxiv",
    "version": 1
  }
}