Pith Number

pith:YNCTCI4J

pith:2022:YNCTCI4JGYJJBOIDJSS3QQWX5X

not attested not anchored not stored refs pending

Magellan/IMACS spectroscopy of Grus I: A low metallicity ultra-faint dwarf galaxy

Alexander P. Ji, Andrew B. Pace, Anirudh Chiti, Anna Frebel, Joshua D. Simon, Ting S. Li

arxiv:2206.04580 v2 · 2022-06-09 · 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{YNCTCI4JGYJJBOIDJSS3QQWX5X}

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	2026-07-05T05:14:16.137134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c345312389361290b9034ca5b842d7ede1c9467a3f1bfb0464471af7b276f307

Aliases

arxiv: 2206.04580 · arxiv_version: 2206.04580v2 · doi: 10.48550/arxiv.2206.04580 · pith_short_12: YNCTCI4JGYJJ · pith_short_16: YNCTCI4JGYJJBOID · pith_short_8: YNCTCI4J

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/YNCTCI4JGYJJBOIDJSS3QQWX5X \
  | 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: c345312389361290b9034ca5b842d7ede1c9467a3f1bfb0464471af7b276f307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983ed3425e916b70bb8f78c23ba6750eb9c4d161777243ce746263d691961e68",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-06-09T15:57:24Z",
    "title_canon_sha256": "6a12c09ce8367395c276e46961bc81f38ad693b6d5b07405f7698faf2a424d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04580",
    "kind": "arxiv",
    "version": 2
  }
}