pith. sign in
Pith Number

pith:FUP4Z7IC

pith:2019:FUP4Z7ICIBCLRXYC2C63L5UGUL
not attested not anchored not stored refs pending

Small-scale chemical abundance analysis in a blue compact dwarf galaxy SBS 1415+437

Alessandra Aloisi, Bethan L. James, Mike J. Irwin, Nimisha Kumari

arxiv:1901.08600 v1 · 2019-01-24 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FUP4Z7ICIBCLRXYC2C63L5UGUL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-17T23:54:15.167716Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2d1fccfd024044b8df02d0bdb5f686a2da8d0e7bc1e61c8da165edccf5586e3a

Aliases

arxiv: 1901.08600 · arxiv_version: 1901.08600v1 · doi: 10.48550/arxiv.1901.08600 · pith_short_12: FUP4Z7ICIBCL · pith_short_16: FUP4Z7ICIBCLRXYC · pith_short_8: FUP4Z7IC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FUP4Z7ICIBCLRXYC2C63L5UGUL \
  | 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: 2d1fccfd024044b8df02d0bdb5f686a2da8d0e7bc1e61c8da165edccf5586e3a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bb28a182fa10a59e4820f02a89761d9f75f1ed4c711f17d249d5f799862c283b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-24T19:00:03Z",
    "title_canon_sha256": "6c235a9fa0adeb2751abc969d8753428161b9d4ed3b0941c53204315c019f6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08600",
    "kind": "arxiv",
    "version": 1
  }
}