Pith Number

pith:YW5UT54V

pith:2025:YW5UT54VT5TBIKCW56POII5BX5

not attested not anchored not stored refs pending

Spectroscopic Analysis of Pictor II: a very low metallicity ultra-faint dwarf galaxy bound to the Large Magellanic Cloud

A. B. Pace (University of Virginia), A. Chaturvedi, A. Chiti, A. Drlica-Wagner, A. H. Riley, A. M. Senkevich, A. P. Ji, B. Mutlu-Pakdil, C. E. Mart\'inez-V\'azquez, C. Y. Tan, D. Crnojevi\'c, D. Erkal, D. J. Sand, G. E. Medina, G. Limberg, G. S. Stringfellow, J. A. Carballo-Bello, J. A. Frieman, J. D. Sakowska, J. D. Simon, K. Bechtol, K R. Atzberger, M. Navabi, N. E. D. No\"el, N. Kallivayalil, P. Massana, P. S. Ferguson, R. G. Kron, R. P. van der Marel, T. S. Li, V. M. Placco, W. Cerny, Y. Choi

arxiv:2506.21841 v2 · 2025-06-27 · 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{YW5UT54VT5TBIKCW56POII5BX5}

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	2026-07-05T11:48:50.822267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5bb49f7959f66142856ef9ee423a1bf41d73384948a7d0b6ff1c94ddd1e4184

Aliases

arxiv: 2506.21841 · arxiv_version: 2506.21841v2 · doi: 10.48550/arxiv.2506.21841 · pith_short_12: YW5UT54VT5TB · pith_short_16: YW5UT54VT5TBIKCW · pith_short_8: YW5UT54V

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/YW5UT54VT5TBIKCW56POII5BX5 \
  | 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: c5bb49f7959f66142856ef9ee423a1bf41d73384948a7d0b6ff1c94ddd1e4184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba0862beba274f2bf0a2ec47224d3ceb62a17e4bf8659f82cacc89c5646d349",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-27T01:13:27Z",
    "title_canon_sha256": "3f7e5e7c8ff0392b3179b179bb70e607ce0bef09ff1bdfe15864e091eedaa802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21841",
    "kind": "arxiv",
    "version": 2
  }
}