Pith Number

pith:2KYSJJ7I

pith:2008:2KYSJJ7ICY5VIZKHAE3BU6RGRW

not attested not anchored not stored refs pending

NUV radii of the extrasolar planet HD 209458b

A. Lecavelier des Etangs, A. Vidal-Madjar, G. Hebrard, J. M. Desert, R. Ferlet

arxiv:0810.5273 v1 · 2008-10-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KYSJJ7ICY5VIZKHAE3BU6RGRW}

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	2026-07-04T15:15:32.935121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b124a7e8163b54654701361a7a268dab4b2283ec12122a2ff4414b4394fd13

Aliases

arxiv: 0810.5273 · arxiv_version: 0810.5273v1 · doi: 10.48550/arxiv.0810.5273 · pith_short_12: 2KYSJJ7ICY5V · pith_short_16: 2KYSJJ7ICY5VIZKH · pith_short_8: 2KYSJJ7I

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/2KYSJJ7ICY5VIZKHAE3BU6RGRW \
  | 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: d2b124a7e8163b54654701361a7a268dab4b2283ec12122a2ff4414b4394fd13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d156e0cea0bafdc081cc438b8b2f2e58b12466d4d6e86cc39d7a77b525c07375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-29T13:20:08Z",
    "title_canon_sha256": "ec4c781953717e4445c271668e266885d52d4be60b46880daaec96cd12ae814b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5273",
    "kind": "arxiv",
    "version": 1
  }
}