Pith Number

pith:EMLM6LK7

pith:2018:EMLM6LK7N4JOVISWII2L4TILQA

not attested not anchored not stored refs pending

Improved calibration of the radii of cool stars based on 3D simulations of convection: implications for the solar model

F. Spada, J.D. Tanner, P. Demarque, S. Basu

arxiv:1811.01817 v1 · 2018-11-05 · 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{EMLM6LK7N4JOVISWII2L4TILQA}

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	2026-05-17T23:57:37.717482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2316cf2d5f6f12eaa2564234be4d0b8000ead110052b6c5a1973d0d9f01262ec

Aliases

arxiv: 1811.01817 · arxiv_version: 1811.01817v1 · doi: 10.48550/arxiv.1811.01817 · pith_short_12: EMLM6LK7N4JO · pith_short_16: EMLM6LK7N4JOVISW · pith_short_8: EMLM6LK7

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/EMLM6LK7N4JOVISWII2L4TILQA \
  | 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: 2316cf2d5f6f12eaa2564234be4d0b8000ead110052b6c5a1973d0d9f01262ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1c94bafb71725fbcb23c20d0c21ebba3a29fe0a61725b0f68a0ce496c44add3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-05T15:58:46Z",
    "title_canon_sha256": "8f43ea9f305c04bdab2dab04aea5e3625c74536731e600662c1301361c926409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01817",
    "kind": "arxiv",
    "version": 1
  }
}