Pith Number

pith:4EHEU74L

pith:2018:4EHEU74LMOYBVPPHYFZN2MYH43

not attested not anchored not stored refs pending

Observational constraints on the tilted flat-XCDM and the untilted nonflat XCDM dynamical dark energy inflation parameterizations

Bharat Ratra, Chan-Gyung Park

arxiv:1803.05522 v4 · 2018-03-14 · astro-ph.CO · gr-qc · hep-ph · 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{4EHEU74LMOYBVPPHYFZN2MYH43}

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	2026-05-17T23:39:32.887895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10e4a7f8b63b01abde7c172dd3307e6c41d70839ae097e64739b8f46af564dc

Aliases

arxiv: 1803.05522 · arxiv_version: 1803.05522v4 · doi: 10.48550/arxiv.1803.05522 · pith_short_12: 4EHEU74LMOYB · pith_short_16: 4EHEU74LMOYBVPPH · pith_short_8: 4EHEU74L

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/4EHEU74LMOYBVPPHYFZN2MYH43 \
  | 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: e10e4a7f8b63b01abde7c172dd3307e6c41d70839ae097e64739b8f46af564dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15709ec170abd8e671dc11b74db61e1e352b504e273bf577acbe31f6f8535f2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-14T22:01:09Z",
    "title_canon_sha256": "17f1f09fc85f2bdc36f7666ddd30f2a9aa3e25bd9415766761ba68a6b2d619cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05522",
    "kind": "arxiv",
    "version": 4
  }
}