Pith Number

pith:7ZBF4ZEL

pith:2021:7ZBF4ZELIF4FYFBQT3P5QMUY3S

not attested not anchored not stored refs pending

Satellites Around Milky Way Analogs: Tension in the Number and Fraction of Quiescent Satellites Seen in Observations Versus Simulations

Ananthan Karunakaran, Azadeh Fattahi, Bur\c{c}in Mutlu-Pakdil, Carlos S. Frenk, Christine M. Simpson, David J. Sand, Denija Crnojevi\'c, Dennis Zaritsky, Facundo A. G\'omez, Federico Marinacci, Julio F. Navarro, Kristine Spekkens, Kyle A. Oman, Michael G. Jones, Paul Bennet, Robert J. J. Grand

arxiv:2105.09321 v2 · 2021-05-19 · 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{7ZBF4ZELIF4FYFBQT3P5QMUY3S}

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	2026-07-05T03:04:25.331862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe425e648b41785c14309edfd83298dcbb1f87a620e9406f45e37f92ce5c8058

Aliases

arxiv: 2105.09321 · arxiv_version: 2105.09321v2 · doi: 10.48550/arxiv.2105.09321 · pith_short_12: 7ZBF4ZELIF4F · pith_short_16: 7ZBF4ZELIF4FYFBQ · pith_short_8: 7ZBF4ZEL

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/7ZBF4ZELIF4FYFBQT3P5QMUY3S \
  | 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: fe425e648b41785c14309edfd83298dcbb1f87a620e9406f45e37f92ce5c8058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bacac7bb75d81e15f675d3106f952e02f41d63e6743e2d32436599119834e77",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-19T18:00:00Z",
    "title_canon_sha256": "db6b281f58b723ad12b5d6a46af8739a6f06d8f9b3a6115ca146f143c9a5dcb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09321",
    "kind": "arxiv",
    "version": 2
  }
}