Pith Number

pith:HUCAQ33I

pith:2025:HUCAQ33IVWF7HYJCJHLHEKBM2P

not attested not anchored not stored refs pending

$\Lambda$CDM and early dark energy in latent space: a data-driven parametrization of the CMB temperature power spectrum

Davide Piras, Eiichiro Komatsu, Laura Herold, Luisa Lucie-Smith

arxiv:2502.09810 v2 · 2025-02-13 · astro-ph.CO · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUCAQ33IVWF7HYJCJHLHEKBM2P}

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

2 papers in Pith

Imprint of swampland-inspired coupled early dark energy

Double the axions, half the tension: multi-field early dark energy eases the Hubble tension

Receipt and verification

First computed	2026-07-05T10:51:32.897101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d04086f68ad8bf3e12249d672282cd3d67a54322f7a0bc2c548cc1613283582

Aliases

arxiv: 2502.09810 · arxiv_version: 2502.09810v2 · doi: 10.48550/arxiv.2502.09810 · pith_short_12: HUCAQ33IVWF7 · pith_short_16: HUCAQ33IVWF7HYJC · pith_short_8: HUCAQ33I

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/HUCAQ33IVWF7HYJCJHLHEKBM2P \
  | 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: 3d04086f68ad8bf3e12249d672282cd3d67a54322f7a0bc2c548cc1613283582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3837c989c3746e5c5be788b3620b822310a8b2522be103aeabe6f974c236687",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-13T23:02:39Z",
    "title_canon_sha256": "1ae4e34c385a78a66398d6a6b314a25795ff0603a1bcfa59d329da4cfc353eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09810",
    "kind": "arxiv",
    "version": 2
  }
}