Pith. sign in
Pith Number

pith:ELPJITOW

pith:2021:ELPJITOWIB2JTDAW74E3RBTZHT
not attested not anchored not stored refs pending

Can dark energy be dynamical?

Eoin \'O Colg\'ain, Lu Yin, M. M. Sheikh-Jabbari

arxiv:2104.01930 v2 · 2021-04-05 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ELPJITOWIB2JTDAW74E3RBTZHT}

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 2026-07-05T02:57:45.087744Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

22de944dd64074998c16ff09b886793cf885a3ead8c3cafeb919970714eb5cd4

Aliases

arxiv: 2104.01930 · arxiv_version: 2104.01930v2 · doi: 10.48550/arxiv.2104.01930 · pith_short_12: ELPJITOWIB2J · pith_short_16: ELPJITOWIB2JTDAW · pith_short_8: ELPJITOW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ELPJITOWIB2JTDAW74E3RBTZHT \
  | 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: 22de944dd64074998c16ff09b886793cf885a3ead8c3cafeb919970714eb5cd4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "482aa7e635a87a2e6a9bbf9fe54c00d09b6708233b4ee60233ee49cb8c936765",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-04-05T14:21:21Z",
    "title_canon_sha256": "442e7dcea9b8b15f64dbd44a974c682ba92471fe4ab251412151b3d059ad9b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01930",
    "kind": "arxiv",
    "version": 2
  }
}