Pith Number

pith:LYQYIW4Y

pith:2018:LYQYIW4YSALJ63XEPSEIKWI55A

not attested not anchored not stored refs pending

The Milky Way's total satellite population and constraining the mass of the warm dark matter particle

Adrian Jenkins, Carlos S. Frenk, John C. Helly, Marius Cautun, Oliver Newton

arxiv:1809.09625 v1 · 2018-09-25 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYQYIW4YSALJ63XEPSEIKWI55A}

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	2026-07-05T00:16:02.544658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e21845b9890169f6ee47c8885591de811f6e18b46645ace82e6c705f83ae3a0

Aliases

arxiv: 1809.09625 · arxiv_version: 1809.09625v1 · doi: 10.48550/arxiv.1809.09625 · pith_short_12: LYQYIW4YSALJ · pith_short_16: LYQYIW4YSALJ63XE · pith_short_8: LYQYIW4Y

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/LYQYIW4YSALJ63XEPSEIKWI55A \
  | 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: 5e21845b9890169f6ee47c8885591de811f6e18b46645ace82e6c705f83ae3a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891d0ca27c4cec2625c71c306f333033dcc35bf33d6b82455558f5902ca9c6ca",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-25T18:00:00Z",
    "title_canon_sha256": "8ef3a963d1cda67f9a515e6e74126244b215154b1a9e8912471fc0cebafa9e6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09625",
    "kind": "arxiv",
    "version": 1
  }
}