pith. sign in
Pith Number

pith:RYKCUUI6

pith:2016:RYKCUUI6YDQOOTEDMUNVXQ7356
not attested not anchored not stored refs pending

Chemical Diversity in the Ultra-faint Dwarf Galaxy Tucana II

Alexander P. Ji, Andrew R. Casey, Anna Frebel, Rana Ezzeddine

arxiv:1609.02915 v1 · 2016-09-09 · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RYKCUUI6YDQOOTEDMUNVXQ7356}

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 2026-05-18T00:57:10.700864Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e142a511ec0e0e74c83651b5bc3fbef980ceae143cfc677d0062d4c1df8b228

Aliases

arxiv: 1609.02915 · arxiv_version: 1609.02915v1 · doi: 10.48550/arxiv.1609.02915 · pith_short_12: RYKCUUI6YDQO · pith_short_16: RYKCUUI6YDQOOTED · pith_short_8: RYKCUUI6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RYKCUUI6YDQOOTEDMUNVXQ7356 \
  | 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: 8e142a511ec0e0e74c83651b5bc3fbef980ceae143cfc677d0062d4c1df8b228
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a890c7f51ea32f402382aec2000c8c49a160ed13002c8f8e60001c91e837f515",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-09T20:00:01Z",
    "title_canon_sha256": "dd2dd2770a9ff218ab52f78feea3899ed3d2a50bebfce756e63f103fa40faf7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02915",
    "kind": "arxiv",
    "version": 1
  }
}