Pith Number

pith:RNI6F75Z

pith:2010:RNI6F75Z22NE7FQ2NXUOUZEJNR

not attested not anchored not stored refs pending

Polarized reflected light from the exoplanet HD189733b: First multicolor observations and confirmation of detection

A. V. Berdyugin, D. M. Fluri, S. V. Berdyugina, V. Piirola

arxiv:1101.0059 v1 · 2010-12-30 · astro-ph.EP · astro-ph.IM · 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{RNI6F75Z22NE7FQ2NXUOUZEJNR}

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	2026-05-18T02:04:16.513516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b51e2ffb9d69a4f961a6de8ea64896c73968b8c319a4171f8364d62999952ee

Aliases

arxiv: 1101.0059 · arxiv_version: 1101.0059v1 · doi: 10.48550/arxiv.1101.0059 · pith_short_12: RNI6F75Z22NE · pith_short_16: RNI6F75Z22NE7FQ2 · pith_short_8: RNI6F75Z

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/RNI6F75Z22NE7FQ2NXUOUZEJNR \
  | 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: 8b51e2ffb9d69a4f961a6de8ea64896c73968b8c319a4171f8364d62999952ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad700d4850ead7d5221d332b1b43cafa465a35b604825e1e0bff523b396f6f9",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-12-30T09:50:58Z",
    "title_canon_sha256": "f8d21122ee09fb61f898b093f47c51654af152a6727d0c8fca575db8dc5b02c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0059",
    "kind": "arxiv",
    "version": 1
  }
}