Pith Number

pith:L66FRBDA

pith:2015:L66FRBDATXMFAZ2EXBH7JFMCWJ

not attested not anchored not stored refs pending

Older and Colder: The impact of starspots on pre-main sequence stellar evolution

Garrett Somers, Marc H. Pinsonneault

arxiv:1506.01393 v1 · 2015-06-03 · 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{L66FRBDATXMFAZ2EXBH7JFMCWJ}

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	2026-05-18T01:36:53.078567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fbc5884609dd8506744b84ff49582b270c0582df2cf49b522c1d2b80d7f022c

Aliases

arxiv: 1506.01393 · arxiv_version: 1506.01393v1 · doi: 10.48550/arxiv.1506.01393 · pith_short_12: L66FRBDATXMF · pith_short_16: L66FRBDATXMFAZ2E · pith_short_8: L66FRBDA

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/L66FRBDATXMFAZ2EXBH7JFMCWJ \
  | 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: 5fbc5884609dd8506744b84ff49582b270c0582df2cf49b522c1d2b80d7f022c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b51de9215d5cc21e57d290d711ad83b33edfbdad9c80310172d499cc83d763",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-03T20:26:44Z",
    "title_canon_sha256": "88b75f1ea4839f3e87f8ca771f168dc46e41483bf35ffb5df3dad72f1b1d90f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01393",
    "kind": "arxiv",
    "version": 1
  }
}