Pith Number

pith:U2W7LTQ5

pith:2021:U2W7LTQ5YT7ZIH34EUJYCXTRYO

not attested not anchored not stored refs pending

Dark Energy at early times and ACT: a larger Hubble constant without late-time priors

Alexa Bartlett, Tristan L. Smith, Vivian Poulin

arxiv:2109.06229 v2 · 2021-09-13 · astro-ph.CO · 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{U2W7LTQ5YT7ZIH34EUJYCXTRYO}

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

8 papers in Pith

Imprint of swampland-inspired coupled early dark energy

The Hubble tension: A decade review

What it takes to solve the Hubble tension through Modifications of Cosmological Recombination II: in light of ACT DR6 and DESI DR2

Unifying Early and Late Dark Energy: Dynamical Requirements and Obstructions

Cosmological Viability of Exponential Infrared $f(T)$ Gravity

Receipt and verification

First computed	2026-07-05T03:45:43.306952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6adf5ce1dc4ff941f7c2513815e71c3b61151e63b38708f08a46fb364910162

Aliases

arxiv: 2109.06229 · arxiv_version: 2109.06229v2 · doi: 10.48550/arxiv.2109.06229 · pith_short_12: U2W7LTQ5YT7Z · pith_short_16: U2W7LTQ5YT7ZIH34 · pith_short_8: U2W7LTQ5

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/U2W7LTQ5YT7ZIH34EUJYCXTRYO \
  | 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: a6adf5ce1dc4ff941f7c2513815e71c3b61151e63b38708f08a46fb364910162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebee74280c34142575230a773a0dc6dca224e24312c7233dee2cf14e32339c0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-13T18:04:02Z",
    "title_canon_sha256": "d8d518a20b81a199a5df31058477053f3e053020a7c80d77c07f9502d6b3bf03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06229",
    "kind": "arxiv",
    "version": 2
  }
}