Pith Number

pith:NQBYJ6YD

pith:2020:NQBYJ6YDRWTAAE5645K2AIZOWN

not attested not anchored not stored refs pending

Constraining alternatives to a cosmological constant: generalized couplings and scale invariance

B. A. R. Rocha, C. B. D. Fernandes, C. J. A. P. Martins

arxiv:2012.10513 v1 · 2020-12-18 · astro-ph.CO · gr-qc · 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{NQBYJ6YDRWTAAE5645K2AIZOWN}

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

1 paper in Pith

Observational constraints on vector-like dark energy

Receipt and verification

First computed	2026-07-05T02:00:52.432429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0384fb038da60013bee755a0232eb34c75bae1277ae10b361c5d13a1e778c1

Aliases

arxiv: 2012.10513 · arxiv_version: 2012.10513v1 · doi: 10.48550/arxiv.2012.10513 · pith_short_12: NQBYJ6YDRWTA · pith_short_16: NQBYJ6YDRWTAAE56 · pith_short_8: NQBYJ6YD

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/NQBYJ6YDRWTAAE5645K2AIZOWN \
  | 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: 6c0384fb038da60013bee755a0232eb34c75bae1277ae10b361c5d13a1e778c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db06ef07f1e08da20d9ecb1d8e3f6b2412d14ba5fdc15bc7f9260b1a83587334",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-12-18T21:08:03Z",
    "title_canon_sha256": "e2af763375bd1de81b3c76f1380c5f32ccbadb74b96bc97628aaadca77959cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.10513",
    "kind": "arxiv",
    "version": 1
  }
}