Pith Number

pith:RZY4QNRO

pith:2018:RZY4QNROEFH5SL4QY3BMLAATK7

not attested not anchored not stored refs pending

On the Nature of Ultra-faint Dwarf Galaxy Candidates. III. Horologium I, Pictor I, Grus I, and Phoenix II

Blair Conn, Dongwon Kim, Helmut Jerjen, Mischa Schirmer

arxiv:1809.02259 v1 · 2018-09-07 · 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{RZY4QNROEFH5SL4QY3BMLAATK7}

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	2026-05-18T00:06:17.571269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e71c8362e214fd92f90c6c2c5801357d9616b16394cb87bd04038bdce516e94

Aliases

arxiv: 1809.02259 · arxiv_version: 1809.02259v1 · doi: 10.48550/arxiv.1809.02259 · pith_short_12: RZY4QNROEFH5 · pith_short_16: RZY4QNROEFH5SL4Q · pith_short_8: RZY4QNRO

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/RZY4QNROEFH5SL4QY3BMLAATK7 \
  | 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: 8e71c8362e214fd92f90c6c2c5801357d9616b16394cb87bd04038bdce516e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "534e2920fbb4cf282631e9c6115bf1f824f9e8dafec1a551be473f691bd61f46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-07T00:23:51Z",
    "title_canon_sha256": "f4579dcb3e9d03a776ed7085e3a9f8ae7fb5eff13863d81600086ce246629662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02259",
    "kind": "arxiv",
    "version": 1
  }
}