Pith Number

pith:S4QUQAAA

pith:2017:S4QUQAAA2EKWXD6PSLLH6UWPW5

not attested not anchored not stored refs pending

The GTC exoplanet transit spectroscopy survey VIII. Flat transmission spectrum for the warm gas giant WASP-80

Alice Booth, Enric Palle, Felipe Murgas, Grzegorz Nowak, Guo Chen, Hannu Parviainen, Lisa Nortmann, Mantas Abazorius, Nicolas Iro, Suzanne Aigrain

arxiv:1709.01875 v1 · 2017-09-06 · 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{S4QUQAAA2EKWXD6PSLLH6UWPW5}

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	2026-05-18T00:26:28.951872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9721480000d1156b8fcf92d67f52cfb75131d53f5995907328070159e618b7bb

Aliases

arxiv: 1709.01875 · arxiv_version: 1709.01875v1 · doi: 10.48550/arxiv.1709.01875 · pith_short_12: S4QUQAAA2EKW · pith_short_16: S4QUQAAA2EKWXD6P · pith_short_8: S4QUQAAA

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/S4QUQAAA2EKWXD6PSLLH6UWPW5 \
  | 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: 9721480000d1156b8fcf92d67f52cfb75131d53f5995907328070159e618b7bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "324d5185f827e2bd37e93f9a9ad5146ab52fa52314de60f37a690f59a215b231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-09-06T16:21:51Z",
    "title_canon_sha256": "eede12da0d3bb78bc37bd6eeac3815bc7394815950e7a09b8d90f3337e468ecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01875",
    "kind": "arxiv",
    "version": 1
  }
}