Pith Number

pith:UXWPTL5C

pith:2019:UXWPTL5CKZRG56DXGJITCJEXNZ

not attested not anchored not stored refs pending

Parametrising non-linear dark energy perturbations

Arman Shafieloo, Benjamin L'Huillier, Farbod Hassani, Julian Adamek, Martin Kunz

arxiv:1910.01105 v3 · 2019-10-02 · astro-ph.CO · 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{UXWPTL5CKZRG56DXGJITCJEXNZ}

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	2026-07-05T06:11:52.381996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ecf9afa256626ef87732513124976e4517bfcde7768e98fe3bd97941612e9b

Aliases

arxiv: 1910.01105 · arxiv_version: 1910.01105v3 · doi: 10.48550/arxiv.1910.01105 · pith_short_12: UXWPTL5CKZRG · pith_short_16: UXWPTL5CKZRG56DX · pith_short_8: UXWPTL5C

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/UXWPTL5CKZRG56DXGJITCJEXNZ \
  | 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: a5ecf9afa256626ef87732513124976e4517bfcde7768e98fe3bd97941612e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f8bc9c0d32f355cc7eceebcbbe96710a194a4b30e4c6c8447112bee4c685de",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-10-02T17:54:35Z",
    "title_canon_sha256": "c9c397f5cc4a9fe582634847c2db9a4e71fed04c8053cb64270f3118826d01b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01105",
    "kind": "arxiv",
    "version": 3
  }
}