Pith Number

pith:3VNLMTS4

pith:2025:3VNLMTS47YO2SZLIIOA6DUV5QY

not attested not anchored not stored refs pending

Dark from light (DfL): Inferring halo properties from luminous tracers with machine learning trained on cosmological simulations. I. Method, proof of concept & preliminary testing

Asa F. L. Bluck, Camilo Casimiro, Joanna M. Piotrowska, Nicolas Cea, Paul Goubert, Roberto Maiolino, Thomas Pinto Franco

arxiv:2507.00351 v1 · 2025-07-01 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VNLMTS47YO2SZLIIOA6DUV5QY}

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	2026-07-05T12:00:03.659509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd5ab64e5cfe1da965684381e1d2bd8616afd572f349112c185ef8a08b073059

Aliases

arxiv: 2507.00351 · arxiv_version: 2507.00351v1 · doi: 10.48550/arxiv.2507.00351 · pith_short_12: 3VNLMTS47YO2 · pith_short_16: 3VNLMTS47YO2SZLI · pith_short_8: 3VNLMTS4

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/3VNLMTS47YO2SZLIIOA6DUV5QY \
  | 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: dd5ab64e5cfe1da965684381e1d2bd8616afd572f349112c185ef8a08b073059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2821888459223748c033060b859a854da131188df5075d45ce9d4a373e29ebd",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-01T00:56:11Z",
    "title_canon_sha256": "c830c7acf395b98e1552b469cb5ab42529dded8ff94b126cdf1be002b6231c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00351",
    "kind": "arxiv",
    "version": 1
  }
}