Pith Number

pith:M5YFIP5C

pith:2018:M5YFIP5C2HB7BFMVVKVY4FV6KQ

not attested not anchored not stored refs pending

The Binary Fraction of Stars in Dwarf Galaxies: the Cases of Draco and Ursa Minor

Alan McConnachie, Edward Olszewski, Evan Kirby, Mario Mateo, Matthew Walker, Meghin Spencer

arxiv:1811.06597 v1 · 2018-11-15 · 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{M5YFIP5C2HB7BFMVVKVY4FV6KQ}

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	2026-05-18T00:00:34.399514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6770543fa2d1c3f09595aaab8e16be541a9e6c76d04ea9655d6d25a27cf7cd5b

Aliases

arxiv: 1811.06597 · arxiv_version: 1811.06597v1 · doi: 10.48550/arxiv.1811.06597 · pith_short_12: M5YFIP5C2HB7 · pith_short_16: M5YFIP5C2HB7BFMV · pith_short_8: M5YFIP5C

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/M5YFIP5C2HB7BFMVVKVY4FV6KQ \
  | 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: 6770543fa2d1c3f09595aaab8e16be541a9e6c76d04ea9655d6d25a27cf7cd5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b69a98268eef30670d606252a430d89f25329fbc2e01645e312145f03cdd41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-15T21:35:27Z",
    "title_canon_sha256": "f2ef472abece7cdd6838d9c72d71683f4f29a8472a2c1606d809598e4e3b2331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06597",
    "kind": "arxiv",
    "version": 1
  }
}