Pith Number

pith:2ZY544FB

pith:2020:2ZY544FBMYTLOEVVHLSGJ6NSLB

not attested not anchored not stored refs pending

Are the Milky Way and Andromeda unusual? A comparison with Milky Way and Andromeda Analogs

Brett Andrews, Catherine Fielder, Dhanesh Krishnarao, Gail Zasowski, Guy Stringfellow, Jeffrey Newman, Jonathan Brinkmann, Karen Masters, Matthew Bershady, Nicholas Fraser Boardman, Niv Drory, Richard Lane, Ted Mackereth

arxiv:2009.02576 v2 · 2020-09-05 · 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{2ZY544FBMYTLOEVVHLSGJ6NSLB}

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.

Cited by

1 paper in Pith

Need for Speed: A Comprehensive Benchmark of JPEG Decoders in Python

Receipt and verification

First computed	2026-07-05T01:42:21.767001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d671de70a16626b712b53ae464f9b25862eff39da62b5e60b5ba831bdf3ab674

Aliases

arxiv: 2009.02576 · arxiv_version: 2009.02576v2 · doi: 10.48550/arxiv.2009.02576 · pith_short_12: 2ZY544FBMYTL · pith_short_16: 2ZY544FBMYTLOEVV · pith_short_8: 2ZY544FB

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/2ZY544FBMYTLOEVVHLSGJ6NSLB \
  | 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: d671de70a16626b712b53ae464f9b25862eff39da62b5e60b5ba831bdf3ab674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e129a9a2411f950fa8dc8494965bbb031c8f9d2d8d034d901183c06d633814",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-05T17:52:13Z",
    "title_canon_sha256": "ca1009fe74070cec83f7662480240b5d67f51da1b91068140031ff4fc7e7ee97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02576",
    "kind": "arxiv",
    "version": 2
  }
}