Pith Number

pith:N27OLT26

pith:2021:N27OLT26GJMFD34UKX2Y5GNCKC

not attested not anchored not stored refs pending

Mapping stellar surfaces III: An Efficient, Scalable, and Open-Source Doppler Imaging Model

Daniel Foreman-Mackey, David W. Hogg, Ian J. M. Crossfield, Lily L. Zhao, Megan Bedell, Rodrigo Luger

arxiv:2110.06271 v1 · 2021-10-12 · astro-ph.SR · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N27OLT26GJMFD34UKX2Y5GNCKC}

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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.

Cited by

3 papers in Pith

Towards Doppler eclipse mapping of hot Jupiters. An observational perspective on WASP-33 b with SPIRou

The dispersal of compact protoplanetary discs

Bayesian Doppler Imaging: Simultaneous Inference of Surface Maps and Geometric Parameters

Receipt and verification

First computed	2026-07-05T03:22:13.055684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ebee5cf5e325851ef9455f58e99a25098a93a7100747749eea555710c83f9f2

Aliases

arxiv: 2110.06271 · arxiv_version: 2110.06271v1 · doi: 10.48550/arxiv.2110.06271 · pith_short_12: N27OLT26GJMF · pith_short_16: N27OLT26GJMFD34U · pith_short_8: N27OLT26

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/N27OLT26GJMFD34UKX2Y5GNCKC \
  | 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: 6ebee5cf5e325851ef9455f58e99a25098a93a7100747749eea555710c83f9f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c87d438363055d49bb01cddb17fcd6f595aa192a26eed8f92b76d7983351c3",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-10-12T18:42:48Z",
    "title_canon_sha256": "f11f29fad6a4617cd1fc1934d5759ce615964165c8f12ae421a639a74a664b6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06271",
    "kind": "arxiv",
    "version": 1
  }
}