Pith Number

pith:4F4LBJIV

pith:2012:4F4LBJIVNW654Q3MZH37YVJZLX

not attested not anchored not stored refs pending

A Detection Of H-alpha In An Exoplanetary Exosphere

Adam G. Jensen, Lars Koesterke, Michael Endl, Seth Redfield, Travis S. Barman, William D. Cochran

arxiv:1203.4484 v1 · 2012-03-20 · 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{4F4LBJIVNW654Q3MZH37YVJZLX}

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	2026-05-18T01:58:05.447411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e178b0a5156dbdde436cc9f7fc55395df730b54fc559da8b687fdcd526ab812d

Aliases

arxiv: 1203.4484 · arxiv_version: 1203.4484v1 · doi: 10.48550/arxiv.1203.4484 · pith_short_12: 4F4LBJIVNW65 · pith_short_16: 4F4LBJIVNW654Q3M · pith_short_8: 4F4LBJIV

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/4F4LBJIVNW654Q3MZH37YVJZLX \
  | 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: e178b0a5156dbdde436cc9f7fc55395df730b54fc559da8b687fdcd526ab812d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6547722c3b46c0f64c8c0b755d2900abb0a580cd92c68884c9f656b6a767d72a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-03-20T16:06:04Z",
    "title_canon_sha256": "12cd666f6e2dbe0d388bc7e84897d8fff30b7abe4b7b68a75c53c8f3979393bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4484",
    "kind": "arxiv",
    "version": 1
  }
}