Pith Number

pith:EDJJG7FA

pith:2021:EDJJG7FAI2COVHBUUTUU7FUC6Q

not attested not anchored not stored refs pending

$\texttt{GRASS}$: Distinguishing Planet-induced Doppler Signatures from Granulation with a Synthetic Spectra Generator

Alexander W. Wise, Eric B. Ford, Jason T. Wright, Johannes L\"ohner-B\"ottcher, Michael L. Palumbo III, Suvrath Mahadevan

arxiv:2110.11839 v1 · 2021-10-22 · 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{EDJJG7FAI2COVHBUUTUU7FUC6Q}

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	2026-07-05T03:42:52.720588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d2937ca04684ea9c34a4e94f9682f407387167d2ddf71205ab373e585b9998

Aliases

arxiv: 2110.11839 · arxiv_version: 2110.11839v1 · doi: 10.48550/arxiv.2110.11839 · pith_short_12: EDJJG7FAI2CO · pith_short_16: EDJJG7FAI2COVHBU · pith_short_8: EDJJG7FA

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/EDJJG7FAI2COVHBUUTUU7FUC6Q \
  | 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: 20d2937ca04684ea9c34a4e94f9682f407387167d2ddf71205ab373e585b9998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe88ef0cf35da6fb9ec7c7205c8e47268724c7c21075bf3d4cc410d78d0eaf6",
    "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": "2021-10-22T15:18:07Z",
    "title_canon_sha256": "f9542e00497109cae0c1a3842275beadfdc7bc990e2378c819e6e4866a25fb07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11839",
    "kind": "arxiv",
    "version": 1
  }
}