Pith Number

pith:TU3EX76J

pith:2014:TU3EX76JHPBGOEXAIMBFCX3CKB

not attested not anchored not stored refs pending

A featureless transmission spectrum for the Neptune-mass exoplanet GJ 436b

Bj\"orn Benneke, Derek Homeier, Drake Deming, Heather A. Knutson

arxiv:1401.3350 v1 · 2014-01-14 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TU3EX76JHPBGOEXAIMBFCX3CKB}

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	2026-05-18T01:45:25.495954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d364bffc93bc26712e04302515f62504e2d88fe882df9ae8722726d2a15eff2

Aliases

arxiv: 1401.3350 · arxiv_version: 1401.3350v1 · doi: 10.48550/arxiv.1401.3350 · pith_short_12: TU3EX76JHPBG · pith_short_16: TU3EX76JHPBGOEXA · pith_short_8: TU3EX76J

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/TU3EX76JHPBGOEXAIMBFCX3CKB \
  | 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: 9d364bffc93bc26712e04302515f62504e2d88fe882df9ae8722726d2a15eff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde8bea1a78983dc9bfd1e275be341135c049621259ef131d156b20c4f93d1b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-01-14T21:02:58Z",
    "title_canon_sha256": "875003bcb2a3fe6f6968f948cbc3633e468da1510f4168554845718e4b5ce2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3350",
    "kind": "arxiv",
    "version": 1
  }
}