Pith Number

pith:3B3XPLNR

pith:2022:3B3XPLNRPXODNR2Y3IZPJ6ZM6V

not attested not anchored not stored refs pending

The eta Aquilae System: Radial Velocities and Astrometry in Search of eta Aql B

Barbara E. McArthur, G. Fritz Benedict, Nancy R. Evans, Richard I. Anderson, Thomas E. Harrison, Thomas G. Barnes III, William D. Cochran

arxiv:2204.09759 v1 · 2022-04-20 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3B3XPLNRPXODNR2Y3IZPJ6ZM6V}

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	2026-07-05T04:27:57.336116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87777adb17ddc36c758da32f4fb2cf562de8b9d6b6c84eecfa635067d0b0ef3

Aliases

arxiv: 2204.09759 · arxiv_version: 2204.09759v1 · doi: 10.48550/arxiv.2204.09759 · pith_short_12: 3B3XPLNRPXOD · pith_short_16: 3B3XPLNRPXODNR2Y · pith_short_8: 3B3XPLNR

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/3B3XPLNRPXODNR2Y3IZPJ6ZM6V \
  | 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: d87777adb17ddc36c758da32f4fb2cf562de8b9d6b6c84eecfa635067d0b0ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a8f4019dcdaa8f8658c352d94ecff39b091ac6dd385d0504e6e45f77ea212b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-20T19:45:18Z",
    "title_canon_sha256": "6d0cc4007aa54f81974ae3eb7af07ee394c682e0690fce5fb3767fef91bf20b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09759",
    "kind": "arxiv",
    "version": 1
  }
}