Pith Number

pith:MRK6YDW7

pith:2018:MRK6YDW7CVKU5C52VPJIY3O66V

not attested not anchored not stored refs pending

The Local Group Dwarf Galaxies: The Star Formation Histories derived using the Long Period Variable stars

Atefeh Javadi, Elham Saremi, Habib Khosroshahi, Jacco Th. van Loon, Roya Hamedani Golshan, Sara Rezaeikh, Seyed Azim Hashemi

arxiv:1812.09725 v2 · 2018-12-23 · 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{MRK6YDW7CVKU5C52VPJIY3O66V}

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	2026-07-05T00:30:00.233290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7

Aliases

arxiv: 1812.09725 · arxiv_version: 1812.09725v2 · doi: 10.48550/arxiv.1812.09725 · pith_short_12: MRK6YDW7CVKU · pith_short_16: MRK6YDW7CVKU5C52 · pith_short_8: MRK6YDW7

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/MRK6YDW7CVKU5C52VPJIY3O66V \
  | 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: 6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cee1b5f4c8eb06c269d6ca66b0aa894807695d012adda2da58603937f3482487",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-23T15:03:10Z",
    "title_canon_sha256": "5daf184fce6d24c05bd9042aec19b8527fde7df9a9a4a1e2e839cf86e8c76a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09725",
    "kind": "arxiv",
    "version": 2
  }
}