Pith Number

pith:PIUZFDN5

pith:2020:PIUZFDN52SWMLKJXKUY2OBWLMP

not attested not anchored not stored refs pending

The SPOTS Models: A Grid of Theoretical Stellar Evolution Tracks and Isochrones For Testing The Effects of Starspots on Structure and Colors

Garrett Somers, Lyra Cao, Marc H. Pinsonneault

arxiv:2002.10644 v1 · 2020-02-25 · 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{PIUZFDN52SWMLKJXKUY2OBWLMP}

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	2026-07-05T00:47:01.693173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a29928dbdd4acc5a9375531a706cb63c29206dd98f91c3595e6518d3f50be88

Aliases

arxiv: 2002.10644 · arxiv_version: 2002.10644v1 · doi: 10.48550/arxiv.2002.10644 · pith_short_12: PIUZFDN52SWM · pith_short_16: PIUZFDN52SWMLKJX · pith_short_8: PIUZFDN5

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/PIUZFDN52SWMLKJXKUY2OBWLMP \
  | 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: 7a29928dbdd4acc5a9375531a706cb63c29206dd98f91c3595e6518d3f50be88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afab4a91a1a6a88b4c90addb2d9b9dd3e14451db5bcd0078d98e5c12529d80bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-25T03:24:31Z",
    "title_canon_sha256": "de92064ee5f4693364b3a97be7bda59d6f1b029a0b3a3be0e6a5e93f27058f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10644",
    "kind": "arxiv",
    "version": 1
  }
}