Pith Number

pith:WXYFNKEM

pith:2010:WXYFNKEM6LE34ECB4EAPLTZ4DP

not attested not anchored not stored refs pending

Transit spectrophotometry of the exoplanet HD189733b. II. New Spitzer observations at 3.6 microns

A. Lecavelier des Etangs, A. Vidal-Madjar, D. Ehrenreich, D. Sing, G. Hebrard, G. W. Henry, J.-M. Desert, R. Ferlet, V. Parmentier

arxiv:1008.2481 v1 · 2010-08-14 · 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	2026-05-18T02:05:48.268136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f056a88cf2c9be1041e100f5cf3c1be02c22e39d970edee909a6d851a44a63

Aliases

arxiv: 1008.2481 · arxiv_version: 1008.2481v1 · doi: 10.48550/arxiv.1008.2481 · pith_short_12: WXYFNKEM6LE3 · pith_short_16: WXYFNKEM6LE34ECB · pith_short_8: WXYFNKEM

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/WXYFNKEM6LE34ECB4EAPLTZ4DP \
  | 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: b5f056a88cf2c9be1041e100f5cf3c1be02c22e39d970edee909a6d851a44a63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "814f7b601bd43c3a3e781d4b87114278f8062c21d13e0a49b6b9990b6af63e62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-08-14T21:36:49Z",
    "title_canon_sha256": "370fbf4289ab922400d3b288aebc16d3d602bd6d999de71a83230f492e54b489"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2481",
    "kind": "arxiv",
    "version": 1
  }
}