Pith Number

pith:CVOPAFX5

pith:2018:CVOPAFX5O7IUVFBKWQYBDTYUYV

not attested not anchored not stored refs pending

A Quantification of the Butterfly Effect in Cosmological Simulations and Implications for Galaxy Scaling Relations

Annalisa Pillepich, Dylan Nelson, Federico Marinacci, Greg L. Bryan, Lars Hernquist, Mark Vogelsberger, Rainer Weinberger, Ruediger Pakmor, Shy Genel, Volker Springel

arxiv:1807.07084 v2 · 2018-07-18 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVOPAFX5O7IUVFBKWQYBDTYUYV}

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	2026-05-17T23:55:20.289076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

155cf016fd77d14a942ab43011cf14c577792758930edae9d681da1b16bfe0c6

Aliases

arxiv: 1807.07084 · arxiv_version: 1807.07084v2 · doi: 10.48550/arxiv.1807.07084 · pith_short_12: CVOPAFX5O7IU · pith_short_16: CVOPAFX5O7IUVFBK · pith_short_8: CVOPAFX5

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/CVOPAFX5O7IUVFBKWQYBDTYUYV \
  | 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: 155cf016fd77d14a942ab43011cf14c577792758930edae9d681da1b16bfe0c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4e9e26ad823e48de567e13cbbad2b4d36859e309c467f995d2d3d2d027ff52",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-18T18:00:08Z",
    "title_canon_sha256": "afbb0133764c5bad9801c4bf442b0f7382522c725b8e471046bb02e900849177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07084",
    "kind": "arxiv",
    "version": 2
  }
}