Pith Number

pith:2SNT5GIP

pith:2019:2SNT5GIP2PFQGOL73ZKHRG3PGY

not attested not anchored not stored refs pending

Machine-assisted Semi-Simulation Model (MSSM): Estimating Galactic Baryonic Properties from their Dark Matter using a Machine Trained on Hydrodynamic Simulations

Ji-Hoon Kim, Yongseok Jo

arxiv:1908.09844 v1 · 2019-08-26 · 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{2SNT5GIP2PFQGOL73ZKHRG3PGY}

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	2026-07-05T00:09:16.483686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49b3e990fd3cb03397fde54789b6f3612ca24e6cfa67f4bc6c02ba94761ed6d

Aliases

arxiv: 1908.09844 · arxiv_version: 1908.09844v1 · doi: 10.48550/arxiv.1908.09844 · pith_short_12: 2SNT5GIP2PFQ · pith_short_16: 2SNT5GIP2PFQGOL7 · pith_short_8: 2SNT5GIP

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/2SNT5GIP2PFQGOL73ZKHRG3PGY \
  | 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: d49b3e990fd3cb03397fde54789b6f3612ca24e6cfa67f4bc6c02ba94761ed6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793ffa6dc503ea5913f8822069fb99f4396ae60b369a4b590522f9eaeab940ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-26T18:00:03Z",
    "title_canon_sha256": "a0eb4e9deb5663ca92f57defdb2d0e5b649026c22640f389dec1eb8b8cdc29ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09844",
    "kind": "arxiv",
    "version": 1
  }
}