Pith Number

pith:PHTBNCWO

pith:2018:PHTBNCWO4U7RQE7VEEKJ3SGHDB

not attested not anchored not stored refs pending

MAROON-X: A Radial Velocity Spectrograph for the Gemini Observatory

Andreas Seifahrt, Christian Schwab, Jacob L. Bean, Julian St\"urmer

arxiv:1805.09276 v1 · 2018-05-23 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHTBNCWO4U7RQE7VEEKJ3SGHDB}

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	2026-05-18T00:15:06.090755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e6168acee53f1813f521149dc8c71860cf385c702260b33c1fc01eaea39295

Aliases

arxiv: 1805.09276 · arxiv_version: 1805.09276v1 · doi: 10.48550/arxiv.1805.09276 · pith_short_12: PHTBNCWO4U7R · pith_short_16: PHTBNCWO4U7RQE7V · pith_short_8: PHTBNCWO

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/PHTBNCWO4U7RQE7VEEKJ3SGHDB \
  | 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: 79e6168acee53f1813f521149dc8c71860cf385c702260b33c1fc01eaea39295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53209b57eb8db8e44d5259e39c35b437351bea5789720d7d857a7ec4446ace43",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-23T16:48:21Z",
    "title_canon_sha256": "1161a55f91a4ed2cf12904d5073afe485325ca6e9d6f04270e137a949a4966ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09276",
    "kind": "arxiv",
    "version": 1
  }
}