Pith Number

pith:7ECPSYKD

pith:2018:7ECPSYKDJOAVA3E6PAW2H5Y4T2

not attested not anchored not stored refs pending

Revisiting the potassium feature of WASP-31b at high-resolution

Chris Watson, David K. Sing, Ernst J. W. De Mooij, Neale P. Gibson, Nikolay Nikolov, Stephanie Merritt, Thomas M. Evans

arxiv:1810.03693 v1 · 2018-10-08 · 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{7ECPSYKDJOAVA3E6PAW2H5Y4T2}

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	2026-05-18T00:03:00.934189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f904f961434b81506c9e782da3f71c9eb85aac1fef6e4aa7e26fedb0b3b703ac

Aliases

arxiv: 1810.03693 · arxiv_version: 1810.03693v1 · doi: 10.48550/arxiv.1810.03693 · pith_short_12: 7ECPSYKDJOAV · pith_short_16: 7ECPSYKDJOAVA3E6 · pith_short_8: 7ECPSYKD

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/7ECPSYKDJOAVA3E6PAW2H5Y4T2 \
  | 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: f904f961434b81506c9e782da3f71c9eb85aac1fef6e4aa7e26fedb0b3b703ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad42c9d0b7b8bb8bc16e3ea6ef61b8c72a930b8049268dfa60f05eba968724e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-08T20:53:07Z",
    "title_canon_sha256": "59fc376ab36a1a6303f3822efb7dde6bf0accec4b8d105d30cde51e6440cba2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03693",
    "kind": "arxiv",
    "version": 1
  }
}