Pith. sign in
Pith Number

pith:4HO7ESVF

pith:2018:4HO7ESVFN27KUDBB5ZH5NQRWS2
not attested not anchored not stored refs pending

The Spur and the Gap in GD-1: Dynamical evidence for a dark substructure in the Milky Way halo

Adrian M. Price-Whelan, Ana Bonaca, Charlie Conroy, David W. Hogg

arxiv:1811.03631 v2 · 2018-11-08 · astro-ph.GA · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4HO7ESVFN27KUDBB5ZH5NQRWS2}

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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.

Cited by

4 papers in Pith

Receipt and verification
First computed 2026-07-04T23:50:13.186238Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e1ddf24aa56ebeaa0c21ee4fd6c2369691e8f84e4c00d4b47fb65b0f06884c3f

Aliases

arxiv: 1811.03631 · arxiv_version: 1811.03631v2 · doi: 10.48550/arxiv.1811.03631 · pith_short_12: 4HO7ESVFN27K · pith_short_16: 4HO7ESVFN27KUDBB · pith_short_8: 4HO7ESVF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4HO7ESVFN27KUDBB5ZH5NQRWS2 \
  | 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: e1ddf24aa56ebeaa0c21ee4fd6c2369691e8f84e4c00d4b47fb65b0f06884c3f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7625c762dbdfaba5f32895ee10372e0c3b783338aa04f276f762a38194a8bac6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-08T19:00:03Z",
    "title_canon_sha256": "fb8a7307c1560ab939a3bb7a2ceccec39aac691571e6ae8869339d9cde69c7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03631",
    "kind": "arxiv",
    "version": 2
  }
}