pith. sign in
Pith Number

pith:CUFLJKFM

pith:2015:CUFLJKFMHKLVUB6R7IPUTFATMY
not attested not anchored not stored refs pending

Constraints on the Combined Models with $R^{2-q}$ Inflation and Viable $f(R)$ Dark Energy

Chao-Qiang Geng, Chung-Chi Lee, Shan Lin

arxiv:1506.03253 v2 · 2015-06-10 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CUFLJKFMHKLVUB6R7IPUTFATMY}

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 2026-05-18T01:29:20.851870Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

150ab4a8ac3a975a07d1fa1f49941366102e196f8d59bcef54ca81af845b30a9

Aliases

arxiv: 1506.03253 · arxiv_version: 1506.03253v2 · doi: 10.48550/arxiv.1506.03253 · pith_short_12: CUFLJKFMHKLV · pith_short_16: CUFLJKFMHKLVUB6R · pith_short_8: CUFLJKFM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CUFLJKFMHKLVUB6R7IPUTFATMY \
  | 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: 150ab4a8ac3a975a07d1fa1f49941366102e196f8d59bcef54ca81af845b30a9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4cfc9e4891a088a85f55c78975b18f42761b14236d1698fd678c00a820684a3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-06-10T10:59:14Z",
    "title_canon_sha256": "118efa910e7a75c8d28e0f076bcf05a98679b60d8ac2fda1c359f86c20b60663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03253",
    "kind": "arxiv",
    "version": 2
  }
}