Pith Number

pith:BWLS3EX4

pith:2018:BWLS3EX4J6XTGJ32WMN6TXSWSF

not attested not anchored not stored refs pending

Simulating Tidal Interactions between Galaxies: A Pre-University Student Project

Manuel Brea-Carreras, Markus P\"ossel, Michael Thiel

arxiv:1812.00779 v1 · 2018-11-29 · physics.ed-ph · 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{BWLS3EX4J6XTGJ32WMN6TXSWSF}

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	2026-05-17T23:59:19.016003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d972d92fc4faf33277ab31be9de56917a234de8dbff85b1f9bc5df934a867f9

Aliases

arxiv: 1812.00779 · arxiv_version: 1812.00779v1 · doi: 10.48550/arxiv.1812.00779 · pith_short_12: BWLS3EX4J6XT · pith_short_16: BWLS3EX4J6XTGJ32 · pith_short_8: BWLS3EX4

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/BWLS3EX4J6XTGJ32WMN6TXSWSF \
  | 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: 0d972d92fc4faf33277ab31be9de56917a234de8dbff85b1f9bc5df934a867f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f067cd67f3accee876ed7649d9d51c2302fda70789352592228bf228fe12136",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-11-29T18:58:33Z",
    "title_canon_sha256": "3613f55681357b9959f33988c22949a20ac4a6fa1c901fede45cb4fdb47cecd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00779",
    "kind": "arxiv",
    "version": 1
  }
}