Pith Number

pith:BKWHJA74

pith:2021:BKWHJA74UWKPMMLW323DLNWLPV

not attested not anchored not stored refs pending

Star Formation Histories of Ultra-Faint Dwarf Galaxies: environmental differences between Magellanic and non-Magellanic satellites?

Alis Deason, Andrew Wetzel, Ekta Patel, Elena Sacchi, Erik Tollerud, Evan Kirby, Gurtina Besla, Hannah Richstein, Joshua D. Simon, Marla Geha, Mattia Libralato, Myoungwon Jeon, Nitya Kallivayalil, Paul Zivick, Puragra Guhathakurta, Roeland van der Marel, Sangmo Tony Sohn, Steven R. Majewski, Thomas M. Brown, Tobias Fritz, Yumi Choi

arxiv:2108.04271 v2 · 2021-08-09 · 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{BKWHJA74UWKPMMLW323DLNWLPV}

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	2026-07-05T03:23:46.866739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aac7483fca594f63176deb635b6cb7d42f8f1029bfe60b7c508716f68a767bf

Aliases

arxiv: 2108.04271 · arxiv_version: 2108.04271v2 · doi: 10.48550/arxiv.2108.04271 · pith_short_12: BKWHJA74UWKP · pith_short_16: BKWHJA74UWKPMMLW · pith_short_8: BKWHJA74

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/BKWHJA74UWKPMMLW323DLNWLPV \
  | 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: 0aac7483fca594f63176deb635b6cb7d42f8f1029bfe60b7c508716f68a767bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da5cc15411c8fa75df22b74c529c34fc2f5268b4939962443912bbe045a5b297",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-09T18:05:40Z",
    "title_canon_sha256": "2e795eec8331f3f95f52eb1f5233e0cbff5413ad0723ec43279c0744476b0ce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04271",
    "kind": "arxiv",
    "version": 2
  }
}