Pith Number

pith:A7HZZUWB

pith:2018:A7HZZUWB2U36NN7JPNJO73OAZD

not attested not anchored not stored refs pending

Dark energy reconstruction based on the PADE approximation; an expansion around the $\Lambda$CDM

A. Mehrabi, S. Basilakos

arxiv:1804.10794 v2 · 2018-04-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7HZZUWB2U36NN7JPNJO73OAZD}

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	2026-05-18T00:00:56.224361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07cf9cd2c1d537e6b7e97b52efedc0c8d1f11553841aa8925ca9f0bc7fb5e1ae

Aliases

arxiv: 1804.10794 · arxiv_version: 1804.10794v2 · doi: 10.48550/arxiv.1804.10794 · pith_short_12: A7HZZUWB2U36 · pith_short_16: A7HZZUWB2U36NN7J · pith_short_8: A7HZZUWB

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/A7HZZUWB2U36NN7JPNJO73OAZD \
  | 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: 07cf9cd2c1d537e6b7e97b52efedc0c8d1f11553841aa8925ca9f0bc7fb5e1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23616ca8d1047f246f02036f1c9bf6ddcd6ca1cc4f0a796dda6c07bf131e326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-28T12:32:52Z",
    "title_canon_sha256": "1cf332b1f5e831c8963ae0f2de24d5bdd9ba29d95d8b14e8fc2b93716473a951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10794",
    "kind": "arxiv",
    "version": 2
  }
}