pith. sign in
Pith Number

pith:XBEEQRZO

pith:2012:XBEEQRZOAEA3GW2S4CI4GH7NDD
not attested not anchored not stored refs pending

Exact solutions in a scalar-tensor model of dark energy

E. Loaiza, L. N. Granda

arxiv:1209.1137 v1 · 2012-09-05 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XBEEQRZOAEA3GW2S4CI4GH7NDD}

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 2026-05-18T01:54:39.682287Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b84848472e0101b35b52e091c31fed18c3b1e5603b08ab9eadec79c93fb915b1

Aliases

arxiv: 1209.1137 · arxiv_version: 1209.1137v1 · doi: 10.48550/arxiv.1209.1137 · pith_short_12: XBEEQRZOAEA3 · pith_short_16: XBEEQRZOAEA3GW2S · pith_short_8: XBEEQRZO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XBEEQRZOAEA3GW2S4CI4GH7NDD \
  | 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: b84848472e0101b35b52e091c31fed18c3b1e5603b08ab9eadec79c93fb915b1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7163ed3d985f0df0fc3ccd8e43efc3eb5c9c55f53f0572af12daf0b3c68042c3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-09-05T22:41:10Z",
    "title_canon_sha256": "86b0f72b8b2e0319c19583483667f9fd11c135fe52fefb48ddb79b6c49c763c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1137",
    "kind": "arxiv",
    "version": 1
  }
}