Pith Number

pith:ZUB4RQWD

pith:2022:ZUB4RQWDN66OWUJP65Z4SBPTWE

not attested not anchored not stored refs pending

Testing dark energy after pre-recombination early dark energy

Hao Wang, Yun-Song Piao

arxiv:2201.07079 v2 · 2022-01-18 · astro-ph.CO · 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{ZUB4RQWDN66OWUJP65Z4SBPTWE}

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

3 papers in Pith

Harrison-Zeldovich attractor: From Planck to ACT results

Geometric Constraints on the Pre-Recombination Expansion History from the Hubble Tension

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

Receipt and verification

First computed	2026-07-05T04:53:26.285230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd03c8c2c36fbceb512ff773c905f3b13912bdcc3bcf30b6108a57890aad81cf

Aliases

arxiv: 2201.07079 · arxiv_version: 2201.07079v2 · doi: 10.48550/arxiv.2201.07079 · pith_short_12: ZUB4RQWDN66O · pith_short_16: ZUB4RQWDN66OWUJP · pith_short_8: ZUB4RQWD

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/ZUB4RQWDN66OWUJP65Z4SBPTWE \
  | 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: cd03c8c2c36fbceb512ff773c905f3b13912bdcc3bcf30b6108a57890aad81cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "508203b8693761f5ca133c6b8ed52c98ae0803b086d4a265e9b8bd28b62f0dd3",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-01-18T16:01:52Z",
    "title_canon_sha256": "a0c0f7294bc789d38203eea4b9f51f5c0c7cd67437c2c4879ba5c041d06d7c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07079",
    "kind": "arxiv",
    "version": 2
  }
}