Pith Number

pith:JOSJKZDW

pith:2012:JOSJKZDWRA4EIVQYUG34UZCQBH

not attested not anchored not stored refs pending

GTC OSIRIS transiting exoplanet atmospheric survey: detection of sodium in XO-2b from differential long-slit spectroscopy

A. Lecavelier des Etangs, A. Vidal-Madjar, C. M. Huitson, D. Ehrenreich, D. K. Sing, F. Pont, G. E. Ballester, J. J. Fortney, J.-M. D\'esert, M. Lopez-Morales, P. A. Wilson

arxiv:1208.4982 v1 · 2012-08-24 · astro-ph.EP

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

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	2026-05-18T01:54:58.605154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ba49564768838445618a1b7ca645009cb8da81762cfbb7d76929a82a94e1598

Aliases

arxiv: 1208.4982 · arxiv_version: 1208.4982v1 · doi: 10.48550/arxiv.1208.4982 · pith_short_12: JOSJKZDWRA4E · pith_short_16: JOSJKZDWRA4EIVQY · pith_short_8: JOSJKZDW

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/JOSJKZDWRA4EIVQYUG34UZCQBH \
  | 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: 4ba49564768838445618a1b7ca645009cb8da81762cfbb7d76929a82a94e1598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d045603e3c08a4565b88574b6e02fe97dfe180110bb435427683779df020fb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-24T14:03:40Z",
    "title_canon_sha256": "f37a04d6491ccc19f5028baa4a49ec165ed99b92556f61be23a3ad4373cf4df6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4982",
    "kind": "arxiv",
    "version": 1
  }
}