Pith Number

pith:XJK7KYLV

pith:2020:XJK7KYLVQ6H6P6S2JD52B2QLND

not attested not anchored not stored refs pending

The Formation History of Subhalos and the Evolution of Satellite Galaxies

Annalisa Pillepich, Dylan Nelson, Houjun Mo, Huiyuan Wang, Jingjing Shi, Lars Hernquist, Luis C. Ho, Mark Vogelsberger, Min Du

arxiv:2001.04090 v2 · 2020-01-13 · 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{XJK7KYLVQ6H6P6S2JD52B2QLND}

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	2026-07-05T01:00:38.653108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba55f56175878fe7fa5a48fba0ea0b68dee56da55e9a7ba7028b4c18404b5877

Aliases

arxiv: 2001.04090 · arxiv_version: 2001.04090v2 · doi: 10.48550/arxiv.2001.04090 · pith_short_12: XJK7KYLVQ6H6 · pith_short_16: XJK7KYLVQ6H6P6S2 · pith_short_8: XJK7KYLV

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/XJK7KYLVQ6H6P6S2JD52B2QLND \
  | 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: ba55f56175878fe7fa5a48fba0ea0b68dee56da55e9a7ba7028b4c18404b5877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6607fb4e7fc9f77566431a5ac4529e38aa6767db7c2ea15724725c94cf6d0abf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-13T07:52:28Z",
    "title_canon_sha256": "c75854efb4226d852e740c023101c3688493b4bc373f0c38934e3cfe00435801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04090",
    "kind": "arxiv",
    "version": 2
  }
}