Pith Number

pith:VZ2DSGKO

pith:2021:VZ2DSGKOHBGRGR4EIROLCPLOSK

not attested not anchored not stored refs pending

Modelling the He I triplet absorption at 10830 Angstroms in the atmospheres of HD 189733 b and GJ 3470 b

A. Quirrenbach, A. Reiners, A. S\'anchez-L\'opez, D. Montes, E. Nagel, E. Pall\'e, F. F. Bauer, I. Ribas, J. A. Caballero, J. Aceituno, J. Sanz-Forcada, K. Molaverdikhani, L. Nortmann, M. Lamp\'on, M. L\'opez-Puertas, M. Salz, P. J. Amado, S. Czesla, Th. Henning

arxiv:2101.09393 v2 · 2021-01-23 · 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{VZ2DSGKOHBGRGR4EIROLCPLOSK}

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	2026-07-05T02:25:36.246313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7439194e384d134784445cb13d6e9289f9122f6475106a93a0ba99f4447f7a

Aliases

arxiv: 2101.09393 · arxiv_version: 2101.09393v2 · doi: 10.48550/arxiv.2101.09393 · pith_short_12: VZ2DSGKOHBGR · pith_short_16: VZ2DSGKOHBGRGR4E · pith_short_8: VZ2DSGKO

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/VZ2DSGKOHBGRGR4EIROLCPLOSK \
  | 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: ae7439194e384d134784445cb13d6e9289f9122f6475106a93a0ba99f4447f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e0ad955a8ae57adb5b050be27e4d5e5e6d8b51a656a300f1818acc5f24a9e06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-01-23T01:25:10Z",
    "title_canon_sha256": "edd9c2bf0695e004cb2c89515455f5c2e6efe4f55aaf53b85b97a83cecce5009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09393",
    "kind": "arxiv",
    "version": 2
  }
}