Pith Number

pith:RKKE3DEN

pith:1998:RKKE3DENVUTGK4PJZ2MZQWB4TX

not attested not anchored not stored refs pending

Evolution of the Scale Factor with a Variable Cosmological Term

F. I. Cooperstock, J. M. Overduin

arxiv:astro-ph/9805260 v1 · 1998-05-20 · astro-ph · 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{RKKE3DENVUTGK4PJZ2MZQWB4TX}

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.

Cited by

2 papers in Pith

Running Vacuum in the expanding Universe: a unified QFT paradigm for Inflation and Dark Energy

Observational tests of \texorpdfstring{$\Lambda(t)$}{Lambda(t)} cosmology in light of DESI DR2

Receipt and verification

First computed	2026-07-04T15:29:18.743202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a944d8c8dad266571e9ce9998583c9dc93f37f99907d7373d6c539da6005ad6

Aliases

arxiv: astro-ph/9805260 · arxiv_version: astro-ph/9805260v1 · doi: 10.48550/arxiv.astro-ph/9805260 · pith_short_12: RKKE3DENVUTG · pith_short_16: RKKE3DENVUTGK4PJ · pith_short_8: RKKE3DEN

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/RKKE3DENVUTGK4PJZ2MZQWB4TX \
  | 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: 8a944d8c8dad266571e9ce9998583c9dc93f37f99907d7373d6c539da6005ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5274cf217e46b8c5e19eece3a72ac04a1300b8964504456b975c9c12871f1480",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-20T04:13:05Z",
    "title_canon_sha256": "bdecccffbafd2a9f1e805607e2c7b153df2209ddaabda52c24cca3a4bbeb9235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805260",
    "kind": "arxiv",
    "version": 1
  }
}