Pith Number

pith:YA4MIDZP

pith:2019:YA4MIDZPSA3YSGRVDNFYXEXHC3

not attested not anchored not stored refs pending

Galaxy interactions in IllustrisTNG-100, I: The power and limitations of visual identification

Federico Marinacci, Jorge Moreno, Joshua E. Barnes, Kelly Blumenthal, Lars Hernquist, Mark Vogelsberger, Paul Torrey, Vicente Rodriguez-Gomez, Zachary Claytor

arxiv:1912.04371 v1 · 2019-12-09 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YA4MIDZPSA3YSGRVDNFYXEXHC3}

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	2026-07-05T00:30:38.880004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c038c40f2f9037891a351b4b8b92e716d9bb9b91854604680fe8fbe9dc4d598e

Aliases

arxiv: 1912.04371 · arxiv_version: 1912.04371v1 · doi: 10.48550/arxiv.1912.04371 · pith_short_12: YA4MIDZPSA3Y · pith_short_16: YA4MIDZPSA3YSGRV · pith_short_8: YA4MIDZP

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/YA4MIDZPSA3YSGRVDNFYXEXHC3 \
  | 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: c038c40f2f9037891a351b4b8b92e716d9bb9b91854604680fe8fbe9dc4d598e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc2e004d62b4b346ac527e18a11d0c7671b9e3764d65889c5b7e9c0332464421",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-09T20:59:11Z",
    "title_canon_sha256": "d3a13c3b2b9d7e66457ab8ac0f62f8982598d958fcbf92785c2a3c736e3faff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04371",
    "kind": "arxiv",
    "version": 1
  }
}