Pith Number

pith:4IRT46G5

pith:2018:4IRT46G5ERVOEY4UIWCQBQHC2O

not attested not anchored not stored refs pending

The aftermath of the Great Collision between our Galaxy and the Large Magellanic Cloud

Alis J. Deason, Carlos S. Frenk, Marius Cautun, Stuart McAlpine (Durham - ICC)

arxiv:1809.09116 v3 · 2018-09-24 · 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{4IRT46G5ERVOEY4UIWCQBQHC2O}

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	2026-05-17T23:56:09.535855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2233e78dd246ae26394458500c0e2d3ad19c3449224d24dd445dfc75566681e

Aliases

arxiv: 1809.09116 · arxiv_version: 1809.09116v3 · doi: 10.48550/arxiv.1809.09116 · pith_short_12: 4IRT46G5ERVO · pith_short_16: 4IRT46G5ERVOEY4U · pith_short_8: 4IRT46G5

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/4IRT46G5ERVOEY4UIWCQBQHC2O \
  | 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: e2233e78dd246ae26394458500c0e2d3ad19c3449224d24dd445dfc75566681e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5930b3c460ddb254a968f5b77f92bfb5aea28b257d5162eefa78dbac5462499d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-24T18:00:02Z",
    "title_canon_sha256": "1c5740307670e07bdfb24cc174f1eae0b297c89719a0915c7dd337f922731c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09116",
    "kind": "arxiv",
    "version": 3
  }
}