Pith Number

pith:RV7L3GFW

pith:2019:RV7L3GFWIHK67R4XG3E7AW7MEI

not attested not anchored not stored refs pending

Physical parameters of red supergiants in dwarf irregular galaxies in the Local Group

A. Herrero, A. Mehner, A.Z. Bonanos, K.B.W. McQuinn, M. Cervi\~no, M.L. Boyer, N.E. Britavskiy, O. Garc\'ia-\'Alvarez, T. Masseron

arxiv:1909.13378 v2 · 2019-09-29 · 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{RV7L3GFWIHK67R4XG3E7AW7MEI}

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	2026-07-05T00:15:40.902892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d7ebd98b641d5efc79736c9f05bec223f64926ebad6577985d9b318668fe33e

Aliases

arxiv: 1909.13378 · arxiv_version: 1909.13378v2 · doi: 10.48550/arxiv.1909.13378 · pith_short_12: RV7L3GFWIHK6 · pith_short_16: RV7L3GFWIHK67R4X · pith_short_8: RV7L3GFW

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/RV7L3GFWIHK67R4XG3E7AW7MEI \
  | 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: 8d7ebd98b641d5efc79736c9f05bec223f64926ebad6577985d9b318668fe33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7edf125e8ced647fb442954c8edd63a43737230d48255eb001232db6b26e189f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-29T22:07:42Z",
    "title_canon_sha256": "01a6b0a90e4c7735873b6b6c54308e40a10a676c9c2b57cf2252fcd52c295d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13378",
    "kind": "arxiv",
    "version": 2
  }
}