Pith Number

pith:CKYWUOL2

pith:2021:CKYWUOL2GZESGAIQ4IU7Z42WO3

not attested not anchored not stored refs pending

Variable stars in Local Group Galaxies -- V. The fast and early evolution of the low-mass Eridanus II dSph galaxy

A. Calamida, A. K. Vivas, A. R. Walker, A. Zenteno, C. E. Mart\'inez-V\'azquez, C. Gallart, D. Carollo, E. Balbinot, E. J. Bernard, G. Battaglia, G. Bono, G. Fiorentino, L. Cicu\'endez, M. Dall'Ora, M. Marconi, M. Monelli, P. B. Stetson, P. Mart\'in-Ravelo, S. Cassisi, S. Salvadori, S. Taibi

arxiv:2109.01177 v1 · 2021-09-02 · astro-ph.GA · 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{CKYWUOL2GZESGAIQ4IU7Z42WO3}

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	2026-07-05T03:14:26.887171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12b16a397a3649230110e229fcf35676ee38bf6af2356a314f302f7e4d059908

Aliases

arxiv: 2109.01177 · arxiv_version: 2109.01177v1 · doi: 10.48550/arxiv.2109.01177 · pith_short_12: CKYWUOL2GZES · pith_short_16: CKYWUOL2GZESGAIQ · pith_short_8: CKYWUOL2

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/CKYWUOL2GZESGAIQ4IU7Z42WO3 \
  | 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: 12b16a397a3649230110e229fcf35676ee38bf6af2356a314f302f7e4d059908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17376050744245bd84eda06fb7b3e8ec4c4ae02d10fdfbc4690afd62dda1f5d0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-02T19:15:03Z",
    "title_canon_sha256": "9d25b5923ecd97d3ca69eedf7b097e3f7f751c78f25fb63b2b00540e034972b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01177",
    "kind": "arxiv",
    "version": 1
  }
}