Pith Number

pith:NC4HTTJE

pith:2008:NC4HTTJEPVRL6H6XKGMEBIRFJS

not attested not anchored not stored refs pending

The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1

Beth Willman, David R. Law, Evan N. Kirby, Jay Strader, Josh D. Simon, Louis E. Strigari, Marla Geha

arxiv:0809.2781 v1 · 2008-09-16 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC4HTTJEPVRL6H6XKGMEBIRFJS}

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	2026-05-18T02:35:14.806938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b879cd247d62bf1fd7519840a2254cb66a051b3070c19db9a08e1174caec86

Aliases

arxiv: 0809.2781 · arxiv_version: 0809.2781v1 · doi: 10.48550/arxiv.0809.2781 · pith_short_12: NC4HTTJEPVRL · pith_short_16: NC4HTTJEPVRL6H6X · pith_short_8: NC4HTTJE

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/NC4HTTJEPVRL6H6XKGMEBIRFJS \
  | 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: 68b879cd247d62bf1fd7519840a2254cb66a051b3070c19db9a08e1174caec86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f47c8b1e04aa571190d1f7c7600060d26e38a201c3c23f351d8166bb75a0267",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-16T20:00:10Z",
    "title_canon_sha256": "f02de027b0490c93aa4c28acd8d32811c3e8fb20d9a6fd98d5cf72746f7112e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2781",
    "kind": "arxiv",
    "version": 1
  }
}