Pith Number

pith:7XZCHPVR

pith:2018:7XZCHPVRL4D4YKKZIPJBEDSBWR

not attested not anchored not stored refs pending

Hydrogen and Sodium Absorption in the Optical Transmission Spectrum of WASP-12b

Adam G. Jensen, Michael Endl, P. Wilson Cauley, Seth Redfield, William D. Cochran

arxiv:1808.07010 v1 · 2018-08-21 · 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{7XZCHPVRL4D4YKKZIPJBEDSBWR}

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	2026-05-18T00:05:27.964000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf223beb15f07cc295943d2120e41b45461be6f8fb577f5d42843c4d53f1c49

Aliases

arxiv: 1808.07010 · arxiv_version: 1808.07010v1 · doi: 10.48550/arxiv.1808.07010 · pith_short_12: 7XZCHPVRL4D4 · pith_short_16: 7XZCHPVRL4D4YKKZ · pith_short_8: 7XZCHPVR

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/7XZCHPVRL4D4YKKZIPJBEDSBWR \
  | 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: fdf223beb15f07cc295943d2120e41b45461be6f8fb577f5d42843c4d53f1c49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f095195ec51f667c1aced8161c8d52b9e52813daace75297030f19a7b1593177",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-21T16:49:51Z",
    "title_canon_sha256": "0664f7afee55dc8223599290020e5c684f5b8b223643a74c7df059f7786f0855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07010",
    "kind": "arxiv",
    "version": 1
  }
}