Pith Number

pith:EKOUI5N3

pith:2009:EKOUI5N3IQ3ECBKV2QPLA3UQLK

not attested not anchored not stored refs pending

Probing Dark Energy Dynamics from Current and Future Cosmological Observations

Gong-Bo Zhao, Xinmin Zhang

arxiv:0908.1568 v2 · 2009-08-11 · 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{EKOUI5N3IQ3ECBKV2QPLA3UQLK}

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

1 paper in Pith

Computing Nonlinear Power Spectra Across Dynamical Dark Energy Model Space with Neural ODEs

Receipt and verification

First computed	2026-07-04T17:27:36.073376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229d4475bb4436410555d41eb06e905ab6faeec5c7a96cf337e44fb3b0268bb7

Aliases

arxiv: 0908.1568 · arxiv_version: 0908.1568v2 · doi: 10.48550/arxiv.0908.1568 · pith_short_12: EKOUI5N3IQ3E · pith_short_16: EKOUI5N3IQ3ECBKV · pith_short_8: EKOUI5N3

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/EKOUI5N3IQ3ECBKV2QPLA3UQLK \
  | 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: 229d4475bb4436410555d41eb06e905ab6faeec5c7a96cf337e44fb3b0268bb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e090d23a9009ed5453a74aaaaf11ccd18a16c70ae4c4cffd258f28c225ccead",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-11T20:00:16Z",
    "title_canon_sha256": "31226e03f0969490513c53cfb2318002f6ae66e6ab40b077cd20f5d0162fc6bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1568",
    "kind": "arxiv",
    "version": 2
  }
}