Pith Number

pith:4CNO4QZP

pith:2015:4CNO4QZPOC7CTMYF4YNNWRQUQH

not attested not anchored not stored refs pending

The Milky Way and Andromeda galaxies in a constrained hydrodynamical simulation: morphological evolution

(2) Universidad Autonoma de Madrid), Cecilia Scannapieco (1), Gustavo Yepes (2), Matthias Steinmetz (1) ((1) AIP-Potsdam, Peter Creasey (1), Sebastian E. Nuza (1), Stefan Gottloeber (1)

arxiv:1503.00723 v1 · 2015-03-02 · 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{4CNO4QZPOC7CTMYF4YNNWRQUQH}

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	2026-05-18T02:18:15.114134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e09aee432f70be29b305e61adb461481d3ce84ca4adac7d403704b4b061aa9c0

Aliases

arxiv: 1503.00723 · arxiv_version: 1503.00723v1 · doi: 10.48550/arxiv.1503.00723 · pith_short_12: 4CNO4QZPOC7C · pith_short_16: 4CNO4QZPOC7CTMYF · pith_short_8: 4CNO4QZP

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/4CNO4QZPOC7CTMYF4YNNWRQUQH \
  | 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: e09aee432f70be29b305e61adb461481d3ce84ca4adac7d403704b4b061aa9c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6e08ebbb611346976ad9b0ea3444d6d183cf7d822c830c8b8a2a2198b7bf8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-02T21:00:11Z",
    "title_canon_sha256": "8ed1fd2babd17e6c6cfe7533d48fca1dc208372fc3a66cadc135fc68d74866f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00723",
    "kind": "arxiv",
    "version": 1
  }
}