Pith Number

pith:OPK6OGSS

pith:2019:OPK6OGSS3GIRI24LUBKUJGU4RD

not attested not anchored not stored refs pending

An estimate of the dark matter density from galaxy clusters and supernovae data

J. E. Gonzales, J. S. Alcaniz, R. F. L. Holanda, R. S. Gon\c{c}alves

arxiv:1905.09689 v2 · 2019-05-23 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPK6OGSS3GIRI24LUBKUJGU4RD}

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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.

Cited by

1 paper in Pith

New cosmological constraints on the evolution of dark matter energy density

Receipt and verification

First computed	2026-07-05T00:23:22.370052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d5e71a52d991146b8ba055449a9c88d3122d07b35cf1f7b697c6c4b49ece3c

Aliases

arxiv: 1905.09689 · arxiv_version: 1905.09689v2 · doi: 10.48550/arxiv.1905.09689 · pith_short_12: OPK6OGSS3GIR · pith_short_16: OPK6OGSS3GIRI24L · pith_short_8: OPK6OGSS

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/OPK6OGSS3GIRI24LUBKUJGU4RD \
  | 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: 73d5e71a52d991146b8ba055449a9c88d3122d07b35cf1f7b697c6c4b49ece3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3bdffa3bc04614ef4ea9ff983851fe275ce4204086e5f403544f4412d1d8ed",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-23T14:49:05Z",
    "title_canon_sha256": "78c17f29839596244428faf06bae2dfe323a03942e2beb84156c9cf3c69e3cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09689",
    "kind": "arxiv",
    "version": 2
  }
}