pith. sign in
Pith Number

pith:3JPZPT5N

pith:2015:3JPZPT5N4UWBB74SNPWZHWDPJ4
not attested not anchored not stored refs pending

Interacting quintessence from a variational approach Part II: derivative couplings

Christian G. Boehmer, Matthew Wright, Nicola Tamanini

arxiv:1502.04030 v2 · 2015-02-12 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3JPZPT5N4UWBB74SNPWZHWDPJ4}

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 2026-05-18T01:55:42.113753Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

da5f97cfade52c10ff926bed93d86f4f1a84e0bb78bcd80fe85af68613ea42c1

Aliases

arxiv: 1502.04030 · arxiv_version: 1502.04030v2 · doi: 10.48550/arxiv.1502.04030 · pith_short_12: 3JPZPT5N4UWB · pith_short_16: 3JPZPT5N4UWBB74S · pith_short_8: 3JPZPT5N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3JPZPT5N4UWBB74SNPWZHWDPJ4 \
  | 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: da5f97cfade52c10ff926bed93d86f4f1a84e0bb78bcd80fe85af68613ea42c1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "454e62ad170e07482e729918361644f1ffe3f9bb4ab3164564c2fb9d4fe0f521",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-12T11:05:49Z",
    "title_canon_sha256": "7d04ee531423ac370f56b885b7dcfdc02127edeff56d46d12c3dbe4415b0c6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04030",
    "kind": "arxiv",
    "version": 2
  }
}