Pith Number

pith:FQ26MUUH

pith:2020:FQ26MUUHDS6X4YHCHVTW3YVNYJ

not attested not anchored not stored refs pending

RISTRETTO: a pathfinder instrument for exoplanet atmosphere characterization

Bruno Chazelas, Christophe Lovis, Ian Hughes, Janis Hagelberg, Jonas K\"uhn, Ludovic Genolet, Markus Kasper, Martin Turbet, Nathana\"el Restori, Nelly Natalia Cerpa Urra, Nicolas Blind

arxiv:2012.08182 v1 · 2020-12-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQ26MUUHDS6X4YHCHVTW3YVNYJ}

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	2026-07-05T01:59:41.009112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c35e652871cbd7e60e23d676de2adc24d3d5cd041ecddedc6c7d0fc4b95c13d

Aliases

arxiv: 2012.08182 · arxiv_version: 2012.08182v1 · doi: 10.48550/arxiv.2012.08182 · pith_short_12: FQ26MUUHDS6X · pith_short_16: FQ26MUUHDS6X4YHC · pith_short_8: FQ26MUUH

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/FQ26MUUHDS6X4YHCHVTW3YVNYJ \
  | 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: 2c35e652871cbd7e60e23d676de2adc24d3d5cd041ecddedc6c7d0fc4b95c13d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c249a18c2b79103d4e97960dbb9b2e09d4f55e7c79156f2857e99e76a560a232",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-12-15T10:02:38Z",
    "title_canon_sha256": "80a3e18589ad9f9b0fdbb6d5afdf63fd57c314a951d50a377ed1d3a00771bcbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08182",
    "kind": "arxiv",
    "version": 1
  }
}