Pith Number

pith:VCHERM56

pith:2018:VCHERM56UALITOPU45UEJPXAPE

not attested not anchored not stored refs pending

Dark matter in $R+R^2$ cosmology

A. D. Dolgov, E.V. Arbuzova, R. S. Singh

arxiv:1811.05399 v3 · 2018-11-13 · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCHERM56UALITOPU45UEJPXAPE}

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	2026-05-17T23:48:31.588538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a88e48b3bea01689b9f4e76844bee0793365df3fc591dcf83c050899510b8ea0

Aliases

arxiv: 1811.05399 · arxiv_version: 1811.05399v3 · doi: 10.48550/arxiv.1811.05399 · pith_short_12: VCHERM56UALI · pith_short_16: VCHERM56UALITOPU · pith_short_8: VCHERM56

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/VCHERM56UALITOPU45UEJPXAPE \
  | 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: a88e48b3bea01689b9f4e76844bee0793365df3fc591dcf83c050899510b8ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75eb396ae43a039f676da2586f152db09f6976f3a0edae532ca1444eb9579b4b",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-13T16:47:27Z",
    "title_canon_sha256": "d96b7f65afffedc6f266e5dbe8450f319a7ac09619547e964211688ace1ed415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05399",
    "kind": "arxiv",
    "version": 3
  }
}