Pith Number

pith:22ZDAHRK

pith:2020:22ZDAHRKK3TR4DMHWZK3LUK3YB

not attested not anchored not stored refs pending

The GALAH+ Survey: A New Library of Observed Stellar Spectra Improves Radial Velocities and Hints at Motions within M67

Andrew R. Casey, Daniel B. Zucker, Dennis Stello, Fred Watson, Gayandhi M. De Silva, Geraint F. Lewis, Gregor Traven, Jane Lin, Janez Kos, Jeffrey D. Simpson, Joss Bland-Hawthorn, Karin Lind, Katharine J. Schlesinger, Kenneth C. Freeman, Kevin L. Beeson, Klemen \v{C}otar, Martin Asplund, Michael R. Hayden, Richard de Grijs, Rob Wittenmyer, Rok Vogrin\v{c}i\v{c}, Sanjib Sharma, Sarah L. Martell, Sven Buder, Thomas Nordlander, Toma\v{z} Zwitter, Valentina D'Orazi, Yuan-Sen Ting

arxiv:2012.12201 v4 · 2020-12-22 · astro-ph.SR · astro-ph.GA · 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{22ZDAHRKK3TR4DMHWZK3LUK3YB}

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	2026-07-05T03:30:38.290031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b2301e2a56e71e0d87b655b5d15bc041e7b44926823d2e315e32921dde7f8e

Aliases

arxiv: 2012.12201 · arxiv_version: 2012.12201v4 · doi: 10.48550/arxiv.2012.12201 · pith_short_12: 22ZDAHRKK3TR · pith_short_16: 22ZDAHRKK3TR4DMH · pith_short_8: 22ZDAHRK

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/22ZDAHRKK3TR4DMHWZK3LUK3YB \
  | 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: d6b2301e2a56e71e0d87b655b5d15bc041e7b44926823d2e315e32921dde7f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b899038394de81e67003abd79f3601bacd09befe3a9cd3ec0fef238fad6e686c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-22T17:47:33Z",
    "title_canon_sha256": "cdefd47f634d677cc9409aa8b779da21e72e7e00b20d58df0d8e5feba5a8a799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12201",
    "kind": "arxiv",
    "version": 4
  }
}