Pith Number

pith:HPYDE2VG

pith:2018:HPYDE2VGO23BLCPVRAIXTMJYIJ

not attested not anchored not stored refs pending

Inflationary expansion of the universe with variable timescale

Juan Ignacio Musmarra, Mariano Anabitarte, Mauricio Bellini (IFIMAR - CONICET & UNMdP)

arxiv:1805.02565 v5 · 2018-05-07 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPYDE2VGO23BLCPVRAIXTMJYIJ}

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	2026-05-17T23:55:20.831455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf0326aa676b61589f5881179b1384249493ee886ec720475e7f5184b9adfc0

Aliases

arxiv: 1805.02565 · arxiv_version: 1805.02565v5 · doi: 10.48550/arxiv.1805.02565 · pith_short_12: HPYDE2VGO23B · pith_short_16: HPYDE2VGO23BLCPV · pith_short_8: HPYDE2VG

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/HPYDE2VGO23BLCPVRAIXTMJYIJ \
  | 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: 3bf0326aa676b61589f5881179b1384249493ee886ec720475e7f5184b9adfc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d178ea65a89a75c2b221bd56f64580c59c9d4ea7d1ada986aa6341d5c82cad6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-07T15:17:13Z",
    "title_canon_sha256": "eabf01111cb271fa3fd666d631a74b8ed9a08f2cf950a1fb8834604f29c7a091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02565",
    "kind": "arxiv",
    "version": 5
  }
}