Pith Number

pith:LSQD3JZB

pith:2017:LSQD3JZBQYDE6VGLTKLVT7ZU3F

not attested not anchored not stored refs pending

The Little Cub: Discovery of an Extremely Metal-Poor Star-Forming Galaxy in the Local Universe

J. Xavier Prochaska, Michael Bolte, Ryan J. Cooke, Tiffany Hsyu

arxiv:1708.01260 v1 · 2017-08-03 · 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{LSQD3JZBQYDE6VGLTKLVT7ZU3F}

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	2026-05-18T00:36:27.921747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ca03da72186064f54cb9a9759ff34d974796c3ae16012aee6ddecbb0eaa1a5c

Aliases

arxiv: 1708.01260 · arxiv_version: 1708.01260v1 · doi: 10.48550/arxiv.1708.01260 · pith_short_12: LSQD3JZBQYDE · pith_short_16: LSQD3JZBQYDE6VGL · pith_short_8: LSQD3JZB

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/LSQD3JZBQYDE6VGLTKLVT7ZU3F \
  | 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: 5ca03da72186064f54cb9a9759ff34d974796c3ae16012aee6ddecbb0eaa1a5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213556721c13e720c5517463e20bf0379e9e449dc4142b94dc96052d1be31ae3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-03T18:00:08Z",
    "title_canon_sha256": "ae8a7f6f519164a4d4801d4cd5eea5653756d1a0fede11fe2757ec8c8716191f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01260",
    "kind": "arxiv",
    "version": 1
  }
}