Pith Number

pith:GMMPBN4F

pith:2021:GMMPBN4FAGI36WTLT3N5D3CKUP

not attested not anchored not stored refs pending

The A-shell star Phi Leo revisited: its photospheric and circumstellar spectra

A. Mora, B. Montesinos, C. Eiroa, E. Villaver, G. Meeus, I. Rebollido, J. Maldonado, P. Rivi\`ere-Marichalar, R. Launhardt, Th. Henning

arxiv:2106.16229 v1 · 2021-06-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMMPBN4FAGI36WTLT3N5D3CKUP}

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	2026-07-05T03:16:19.997509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3318f0b7850191bf5a6b9edbd1ec4aa3f977d60f9d823de65ff9359cbd503004

Aliases

arxiv: 2106.16229 · arxiv_version: 2106.16229v1 · doi: 10.48550/arxiv.2106.16229 · pith_short_12: GMMPBN4FAGI3 · pith_short_16: GMMPBN4FAGI36WTL · pith_short_8: GMMPBN4F

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/GMMPBN4FAGI36WTLT3N5D3CKUP \
  | 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: 3318f0b7850191bf5a6b9edbd1ec4aa3f977d60f9d823de65ff9359cbd503004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07993450f86e1c071cf87a99d9abf71286f1066ab09e605e270b014919f3b3a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-30T17:36:45Z",
    "title_canon_sha256": "fdebb7e520c262d9c0925e468c16cfb69fe7bf57f05dae8437d5b28bc2901739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.16229",
    "kind": "arxiv",
    "version": 1
  }
}