Pith Number

pith:SMY2OIVU

pith:2020:SMY2OIVUPIKYU4OPS36BH4DDBG

not attested not anchored not stored refs pending

Exploring extensions to the standard cosmological model and the impact of baryons on small scales

Andreea S. Font, Andrew Robertson, Ian G. McCarthy, Robert Poole-Mckenzie, Sam G. Stafford, Shaun T. Brown

arxiv:2004.03872 v2 · 2020-04-08 · astro-ph.CO · 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{SMY2OIVUPIKYU4OPS36BH4DDBG}

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	2026-07-05T01:26:12.346490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9331a722b47a158a71cf96fc13f06309b14ffdb0315cb8f414f8c9b5cbe9e2fb

Aliases

arxiv: 2004.03872 · arxiv_version: 2004.03872v2 · doi: 10.48550/arxiv.2004.03872 · pith_short_12: SMY2OIVUPIKY · pith_short_16: SMY2OIVUPIKYU4OP · pith_short_8: SMY2OIVU

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/SMY2OIVUPIKYU4OPS36BH4DDBG \
  | 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: 9331a722b47a158a71cf96fc13f06309b14ffdb0315cb8f414f8c9b5cbe9e2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467302e1fff0da02a01fca8ec7295d59632687c2e932187556dc10d8afa2a265",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-08T08:20:30Z",
    "title_canon_sha256": "c6c2c577d65b257c8a9f87c08f0e6c6561987761245c09b08bdd7f5dadf5504f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03872",
    "kind": "arxiv",
    "version": 2
  }
}