Pith Number

pith:EYPOWV2G

pith:2022:EYPOWV2GFHKRAAXYP7R6COQKC4

not attested not anchored not stored refs pending

A Clear View of a Cloudy Brown Dwarf Companion from High-Resolution Spectroscopy

Andrew Skemer, Arthur Vigan, Ashley Baker, Benjamin Calvin, Ben Sappey, Bin Ren, Charlotte Z. Bond, Daniel Echeverri, Dimitri Mawet, Emily Martin, Evan Morris, Garreth Ruane, Geoffrey A. Blake, Greg Doppmann, Heather Knutson, Jacklyn Pezzato, Jacques-Robert Delorme, Jared Kolecki, Jason Wang, Jean-Baptiste Ruffio, Jerry W. Xuan, Ji Wang, J. Kent Wallace, Julie Inglis, Katelyn Horstman, Luke Finnerty, Mark Chun, Marta Bryan, Michael P. Fitzgerald, Nemanja Jovanovic, Nicole Wallack, Paul Molli\`ere, Peter Wizinowich, Randall Bartos, Ronald L\'opez, Sagnick Mukherjee, Sam Ragland, Sylvain Cetre, Taylor Venenciano, Tobias Schofield

arxiv:2208.01657 v1 · 2022-08-02 · astro-ph.EP · 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{EYPOWV2GFHKRAAXYP7R6COQKC4}

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	2026-07-05T05:03:04.908541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

261eeb574629d51002f87fe3e13a0a172eae09dc23c4895e591fff9c4c5e8f03

Aliases

arxiv: 2208.01657 · arxiv_version: 2208.01657v1 · doi: 10.48550/arxiv.2208.01657 · pith_short_12: EYPOWV2GFHKR · pith_short_16: EYPOWV2GFHKRAAXY · pith_short_8: EYPOWV2G

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/EYPOWV2GFHKRAAXYP7R6COQKC4 \
  | 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: 261eeb574629d51002f87fe3e13a0a172eae09dc23c4895e591fff9c4c5e8f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab5bab1dd0eb65460cd4f84e9bc3c9cb05d2b280d1a651f284fad9fd903e731",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-08-02T18:00:03Z",
    "title_canon_sha256": "c65844492ad0f791d88a9b572d5cc116d68e0ad80d243f3e3f14a3b2f6aa9f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01657",
    "kind": "arxiv",
    "version": 1
  }
}