Pith Number

pith:5WONNEAP

pith:2022:5WONNEAPPE3EVMJBWRBUFXG7WE

not attested not anchored not stored refs pending

Black Mirror: The impact of rotational broadening on the search for reflected light from 51 Pegasi b with high resolution spectroscopy

D. Nespral, E. F. Spring, J. L. Birkby, L. Pino, M. E. Young, M. L\'opez-Morales, P. R. T. Coelho, R. Alonso, S. Hoyer

arxiv:2201.03600 v1 · 2022-01-10 · 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{5WONNEAPPE3EVMJBWRBUFXG7WE}

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	2026-07-05T04:09:44.136832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed9cd6900f79364ab121b44342dcdfb13bffbfee4558543eab72eaebb95ff3f6

Aliases

arxiv: 2201.03600 · arxiv_version: 2201.03600v1 · doi: 10.48550/arxiv.2201.03600 · pith_short_12: 5WONNEAPPE3E · pith_short_16: 5WONNEAPPE3EVMJB · pith_short_8: 5WONNEAP

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/5WONNEAPPE3EVMJBWRBUFXG7WE \
  | 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: ed9cd6900f79364ab121b44342dcdfb13bffbfee4558543eab72eaebb95ff3f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d4e57da2ea80d4f37ae9300e2ea6614bd254bc453e790fb7ebeb0995c766c6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-10T19:10:19Z",
    "title_canon_sha256": "179abef17641aa6167f391caf935be13265d05981bc7ac93239465a90a959607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03600",
    "kind": "arxiv",
    "version": 1
  }
}