Pith Number

pith:P2IDKDLB

pith:2024:P2IDKDLBVGTRKUMYYEA26PSEDC

not attested not anchored not stored refs pending

Ages and metallicities of globular clusters in M81 using GTC/OSIRIS spectra

Arianna Cortesi, B.Cuevas-Otahola, Carlos G. Escudero, D. Rosa-Gonz\'alez, Gustavo Bruzual, Jairo A. Alzate, L.H. Rodr\'iguez-Merino, Luis Lomel\'i-N\'u\~nez, P.A. Ovando, V.M.A G\'omez-Gonz\'alez, Y.D. Mayya

arxiv:2401.02519 v1 · 2024-01-04 · 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{P2IDKDLBVGTRKUMYYEA26PSEDC}

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	2026-07-05T07:30:26.612200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e90350d61a9a7155198c101af3e44188a17b0c416d7f360f7f7ba293b6afc92

Aliases

arxiv: 2401.02519 · arxiv_version: 2401.02519v1 · doi: 10.48550/arxiv.2401.02519 · pith_short_12: P2IDKDLBVGTR · pith_short_16: P2IDKDLBVGTRKUMY · pith_short_8: P2IDKDLB

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/P2IDKDLBVGTRKUMYYEA26PSEDC \
  | 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: 7e90350d61a9a7155198c101af3e44188a17b0c416d7f360f7f7ba293b6afc92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9009f1c7ae8e296641d8b5332e8a2ae03ff7ec391b60f6e4112c8ac78eefd19d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-04T20:10:54Z",
    "title_canon_sha256": "da66f534f196db1846185b91b2b4185bab6b386100d0363dd3d28865bdbd6f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.02519",
    "kind": "arxiv",
    "version": 1
  }
}