Pith Number

pith:BR2AKVD6

pith:2019:BR2AKVD6JTZEFJ5PE33ZOPVLH4

not attested not anchored not stored refs pending

Gas infall and possible circumstellar rotation in R Leo

(2) Observatorio Astron\'omico Nacional, (3) Dept. of Space, Astronomy, Chalmers University of Technology, CSIC, Earth, Environment, G. Quintana-Lacaci (1) ((1) Instituto de F\'isica Fundamental, J. Cernicharo (1), J. P. Fonfr\'ia (1), L. Velilla-Prieto (3), Madrid, M. Ag\'undez (1), M. Santander-Garc\'ia (2), N. Marcelino (1), OAN-IGN, Onsala, Onsala Space Observatory, Plasma Physics Division, Spain, Sweden)

arxiv:1902.02574 v1 · 2019-02-07 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR2AKVD6JTZEFJ5PE33ZOPVLH4}

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	2026-05-17T23:53:20.452391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7405547e4cf242a7af26f7973eab3f26d152f9f60bf4187813e08fe6f83a0a

Aliases

arxiv: 1902.02574 · arxiv_version: 1902.02574v1 · doi: 10.48550/arxiv.1902.02574 · pith_short_12: BR2AKVD6JTZE · pith_short_16: BR2AKVD6JTZEFJ5P · pith_short_8: BR2AKVD6

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/BR2AKVD6JTZEFJ5PE33ZOPVLH4 \
  | 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: 0c7405547e4cf242a7af26f7973eab3f26d152f9f60bf4187813e08fe6f83a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1806a144f498f985d515dead2a813182336d3b3b25e4e40159dec090b16c905a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-07T11:34:36Z",
    "title_canon_sha256": "d4d41a2acb379f5124b2f64e21c20691c4e4ee6f519a780fc04552228ecac37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02574",
    "kind": "arxiv",
    "version": 1
  }
}